Darkhold Destiny Commander

Legendary Creature — Elder God Horror

Deathtouch
Gargantos enters with three +1/+1 counters on him.
At the beginning of your upkeep, double the number of +1/+1 counters on Gargantos.
Whenever Gargantos deals combat damage to an opponent, he deals that much damage to each other opponent.

Gargantos, the Endbringer

Stardates

Legendary Creature — Plant Druid

Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature.
{3}{G}{G}: Double the number of +1/+1 counters on each creature you control.

Bristly Bill, Spine Sower

Mystery Booster Commander Edition

Legendary Creature — Dinosaur Mutant

Rulebreaker — A deck with this commander can have creature cards with mana value 7 or greater of any color identity and any basic land cards.
Whenever a creature you control with mana value 7 or greater attacks, double its power and toughness until end of turn.

Maular, the Next Evolution

The Zeta Set

Creature — Cat

Trample
Landfall — Whenever a land you control enters, put a +1/+1 counter on target creature you control. If this is the second time this ability has resolved this turn, double the number of +1/+1 counters on that creature instead.

Scythecat Cub

Marvel Super Heroes Commander

Legendary Creature — Human Hero

Trample
At the beginning of combat on your turn, if you've cast a noncreature spell this turn, put four +1/+1 counters on The Thing.
Whenever The Thing attacks, you may pay {R}{G}{W}{U}. When you do, double the number of each kind of counter on any number of target permanents you control.

The Thing

Marvel Super Heroes

Legendary Artifact — Equipment

When Mjölnir enters, it deals 4 damage to up to one target creature.
Double all damage equipped creature would deal.
Equip worthy {1} (A creature is worthy if it's a legendary non-Villain that's red and/or white.)
{2}{R}, Discard this card: It deals 2 damage to each creature.

Mjölnir, Hammer of Thor

Sorcery

Choose one or both —
• Double target creature's power and toughness until end of turn.
• Target creature you control fights target creature an opponent controls.

Epic Fight

Enchantment — Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — The next red or green creature spell you cast this turn can be cast without paying its mana cost.
II — Put three +1/+1 counters on target creature you control.
III — Choose target creature you control. Until end of turn, double its power and toughness and it gains trample.

World War Hulk

Legendary Creature — Human Villain

Double all damage that creature sources you control would deal.

Absorbing Man and Titania

Legendary Creature — Gamma Berserker Hero

Trample
Hulk enters with a +1/+1 counter on him.
At the beginning of your upkeep, double the number of +1/+1 counters on each Gamma creature you control.

Hulk, Strongest There Is

Legendary Creature — Mutant Berserker Hero

You may have Wolverine assign his combat damage as though he weren't blocked.
Whenever a Mutant you control attacks, double its power until end of turn.

Wolverine, Claws Out

Legendary Creature — Gamma Advisor Hero

Vigilance
Power-up — {6}{G/W}: Put a +1/+1 counter on She-Hulk. Then double the number of +1/+1 counters on each creature you control. (Activate each power-up ability only once. Reduce the cost by her mana cost if she entered this turn.)

She-Hulk, Attorney-at-Law

Secrets of Strixhaven Commander

Creature — Ooze

This creature enters with X +1/+1 counters on it.
When this creature enters, destroy up to one target artifact or enchantment with mana value X or less. If X is 5 or more, you draw a card. If X is 10 or more, double the number of +1/+1 counters on any number of other target creatures.

Kinetic Ooze

Secrets of Strixhaven Mystical Archive

Instant

Double target creature's power until end of turn.
Flashback {4}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Bulk Up

Enchantment

Whenever you cast a permanent spell with a mana cost that contains {X}, double the value of X.
Whenever you cast an instant or sorcery spell or activate an ability, if that spell's mana cost or that ability's activation cost contains {X}, copy that spell or ability. You may choose new targets for the copy.

Unbound Flourishing

Secrets of Strixhaven

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on that creature.

Growth Curve

Fractal

Artifact — Equipment

When this Equipment enters, create a 0/0 green and blue Fractal creature token. Put X +1/+1 counters on it and attach this Equipment to it.
Whenever equipped creature attacks, double the number of +1/+1 counters on it.
Equip {2}

Fractal Harness

Creature — Hydra

This creature enters with X +1/+1 counters on it.
At the beginning of your upkeep, double the number of +1/+1 counters on this creature.
This creature has trample as long as it has ten or more +1/+1 counters on it.

Primordial Hydra

Legendary Creature — Elder Dragon

Flying, trample
When Tanazir Quandrix enters, double the number of +1/+1 counters on target creature you control.
Whenever Tanazir Quandrix attacks, you may have the base power and toughness of other creatures you control become equal to Tanazir Quandrix's power and toughness until end of turn.

Tanazir Quandrix

Teenage Mutant Ninja Turtles Eternal

Raphael, the Muscle

Mutagen

Legendary Creature — Mutant Ninja Turtle

Double all damage that creatures you control with counters on them would deal.
When Raphael enters, create a Mutagen token.
Partner—Character select (You can have two commanders if both have this ability.)

Enchantment — Aura

Enchant creature
When this Aura enters, put a +1/+1 counter on enchanted creature.
Enchanted creature has "Whenever this creature attacks, double the number of +1/+1 counters on it. Then if it has power 10 or greater, draw a card."

Level Up

Artifact

When this artifact enters, put a +1/+1 counter on each of up to four target creatures.
{2}, {T}, Sacrifice a token: Double the number of each kind of counter on target creature.

Arcade Cabinet

Robot

Big Mother Mouser

Artifact Creature — Robot

This creature enters with two +1/+1 counters on it.
Whenever this creature attacks, double the number of +1/+1 counters on it.
When this creature dies, create a number of 1/1 colorless Robot artifact creature tokens equal to the number of +1/+1 counters on this creature.

Trample
This creature enters with X +1/+1 counters on it.
When this creature enters, choose one —
• Double the number of +1/+1 counters on this creature.
• This creature fights target creature you don't control.

Voracious Hydra

Legendary Creature — Human Berserker

Double strike (This creature deals both first-strike and regular combat damage.)
{4}: Double Casey Jones's power until end of turn. Any player may activate this ability.

Casey Jones, Asphalt Hooligan

Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on it. You gain life equal to the number of +1/+1 counters on that creature.

Study the Classics

Teenage Mutant Ninja Turtles

Artifact — Vehicle

Whenever this Vehicle attacks, put a +1/+1 counter on target creature that crewed it this turn. Then if that creature is a Mutant, Ninja, or Turtle, double the number of +1/+1 counters on it.
Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)

Turtle Van

Lorwyn Eclipsed Commander

Saproling

Ferrafor, Young Yew

Legendary Creature — Treefolk Druid

When Ferrafor enters, create a number of 1/1 green Saproling creature tokens equal to the number of counters among creatures target player controls.
{T}: Double the number of each kind of counter on target creature.

Lorwyn Eclipsed Promos

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
As this enchantment enters, choose a creature type.
Double all damage that sources you control of the chosen type would deal.

Collective Inferno

Avatar: The Last Airbender Eternal

Enchant creature
When this Aura enters, put a +1/+1 counter on enchanted creature.
Whenever enchanted creature attacks, double the number of +1/+1 counters on it.

Seismic Tutelage

Marvel's Spider-Man Eternal

Double the power of each creature you control until end of turn.

Double Trouble

Legendary Creature — Spider Human Hero

First strike, haste
Camouflage — {2}: Put a +1/+1 counter on Ultimate Spider-Man. He gains hexproof and becomes colorless until end of turn.
Whenever you attack, double the number of each kind of counter on each Spider and legendary creature you control.

Ultimate Spider-Man

Marvel's Spider-Man Promos

Legendary Creature — Human Citizen Hero

When Miles Morales enters, put a +1/+1 counter on each of up to two target creatures.
{3}{R}{G}{W}: Transform Miles Morales. Activate only as a sorcery.

Miles Morales

Marvel Universe

At the beginning of each combat, double the power and toughness of each creature you control until end of turn.

Unnatural Growth

Unrivaled Lethality — Double all damage Wolverine would deal.
At the beginning of each end step, if Wolverine dealt damage to another creature this turn, put a +1/+1 counter on him.
{1}{G}: Regenerate Wolverine. (The next time he would be destroyed this turn, instead tap him, remove him from combat, and heal all damage on him.)

Wolverine, Best There Is

Edge of Eternities Commander

Creature — Fish

When this creature enters, double the number of each kind of counter on any number of target permanents.

Deepglow Skate

Edge of Eternities Promos

Creature — Insect Druid

Landfall — Whenever a land you control enters, double the power of target creature you control until end of turn.
Warp {2}{G} (You may cast this card from your hand for its warp cost. Exile this creature at the beginning of the next end step, then you may cast it from exile on a later turn.)

Mightform Harmonizer

Final Fantasy Promos

Enchantment Creature — Saga Dog

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
II — Double — When you next cast an instant or sorcery spell this turn, copy it. You may choose new targets for the copy.
III — Triple — When you next cast an instant or sorcery spell this turn, copy it twice. You may choose new targets for the copies.

Summon: G.F. Cerberus

Legendary Creature — Human Pilot

When Sazh Katzroy enters, you may search your library for a Bird or basic land card, reveal it, put it into your hand, then shuffle.
Whenever Sazh Katzroy attacks, put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature.

Sazh Katzroy

Legendary Creature — Human Monk

Trample
Landfall — Whenever a land you control enters, double Tifa Lockhart's power until end of turn.

Tifa Lockhart

Legendary Creature — Avatar Wizard

Flare Star — If a Wizard you control would deal damage to a permanent or player, it deals double that damage instead.

Trance Kuja, Fate Defied

Wizard

Legendary Creature — Human Mutant Wizard

At the beginning of your end step, create a tapped 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent." Then if you control four or more Wizards, transform Kuja.

Kuja, Genome Sorcerer

Legendary Creature — Human Soldier

First strike, trample, lifelink
Stagger — Whenever Lightning deals combat damage to a player, until your next turn, if a source would deal damage to that player or a permanent that player controls, it deals double that damage instead.

Lightning, Army of One

Double Overdrive — Equipped creature gets +2/+0 and has double strike.
Equip {3} ({3}: Attach to target creature you control. Equip only as a sorcery.)

World Champion, Celestial Weapon

Final Fantasy

At the beginning of combat on your turn, target creature you control gets +2/+0 until end of turn.
At the end of combat on your turn, if a player was dealt 6 or more combat damage this turn, transform this enchantment, then attach it to a creature you control.

Sidequest: Play Blitzball

Tiered (Choose one additional cost.)
• Somersault — {0} — Target creature gets +2/+2 until end of turn.
• Meteor Strikes — {2} — Double target creature's power and toughness until end of turn.
• Final Heaven — {6}{G} — Triple target creature's power and toughness until end of turn.

Tifa's Limit Break

Tarkir: Dragonstorm Promos

Roar of Endless Song

Elephant

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Create a 5/5 green Elephant creature token.
III — Double the power and toughness of each creature you control until end of turn.

Tarkir: Dragonstorm

Creature — Human Druid

When this creature enters, put a +1/+1 counter on target creature.
Renew — {3}{G}, Exile this card from your graveyard: Put a +1/+1 counter on target creature, then double the number of +1/+1 counters on that creature. Activate only as a sorcery.

Sage of the Fang

Double the power and toughness of target creature you control until end of turn. Then it fights up to one target creature an opponent controls. (Each deals damage equal to its power to the other.)

Dragonclaw Strike

Aetherdrift Commander

{T}: Add one mana of any color.
{4}, {T}: Choose one. Activate only as a sorcery.
• Double the number of each kind of counter on target permanent.
• Double the number of each kind of counter you have.

Aetheric Amplifier

Foundations Promos

Creature — Dragon

Flying
If a source you control would deal damage to an opponent or a permanent an opponent controls, it deals double that damage instead.

Twinflame Tyrant

Creature — Elemental Hydra

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)
This creature enters with a +1/+1 counter on it.
Landfall — Whenever a land you control enters, double the number of +1/+1 counters on this creature.

Mossborn Hydra

Legendary Creature — Human Wizard

At the beginning of combat on your turn, put a +1/+1 counter on each of up to two target creatures you control.
{G}{U}, {T}: Double the number of each kind of counter on up to two target creatures and/or artifacts you control.

Zimone, Paradox Sculptor

Foundations Jumpstart

Distribute three +1/+1 counters among one, two, or three target creatures, then double the number of +1/+1 counters on each of those creatures.

Biogenic Upgrade

Creature — Devil

First strike (This creature deals combat damage before creatures without first strike.)
If a source would deal damage to an opponent, it deals double that damage to that player instead.

Fiendish Duo

Goblin

Creature — Goblin Mutant

When this creature enters, create a number of 1/1 red Goblin creature tokens equal to the number of opponents you have.
{3}{R}, {T}: If a source you control would deal damage to an opponent this turn, it deals double that damage to that player instead.

Goblin Goliath

Double the power of target creature until end of turn.

Unleash Fury

Invigorating Surge

Creature — Elf Druid

{4}{G}: Double this creature's power and toughness until end of turn.

Reckless Amplimancer

Foundations

If a creature you control would deal damage to a permanent or player, it deals double that damage instead.

Gratuitous Violence

Duskmourn: House of Horror Promos

Legendary Enchantment

Delirium — If a source you control would deal noncombat damage to a permanent or player while there are four or more card types among cards in your graveyard, it deals double that damage instead.
When The Rollercrusher Ride enters, it deals X damage to each of up to X target creatures.

The Rollercrusher Ride

Creature — Plant

Delirium — Whenever this creature enters or attacks, if there are four or more card types among cards in your graveyard, distribute two +1/+1 counters among one or two target creatures. Then if there are six or more card types among cards in your graveyard, double the number of +1/+1 counters on those creatures.