Star Trek Commander

Creature — Human Officer

Lifelink (Damage dealt by this creature also causes you to gain that much life.)
When this creature enters, draw a card.
Whenever this creature attacks, put a +1/+1 counter on it.

Operations Officer

Star Trek

Sorcery

One or two target creatures you control each deal damage equal to their power to target creature an opponent controls.

Common Goal

Card

Unsummon

Reality Fracture Art Series

Reality Fracture

Jace

Creature — Homunculus

When this creature enters, empower Jace 4. (Put four loyalty counters on a Jace token you control. If you don't control one, first create a blue Jace planeswalker token with "[−1]: Surveil 1" and "[−3]: Draw a card.")

Mindseeker Oculus

Instant

Return target creature to its owner's hand.

Artifact

At the beginning of your upkeep, surveil 1. Then if there are seven or more cards in your graveyard, sacrifice this artifact, it deals 2 damage to each opponent, and you gain 2 life. (To surveil 1, look at the top card of your library. You may put it into your graveyard.)

Eye of Jace

Marvel Super Heroes Commander

Look at the top card of each player's library, then exile those cards face down. You may play them without paying their mana costs for as long as they remain exiled.

Extract Power

Legendary Creature — Elemental Rogue Villain

Deathtouch
Whenever you play a card from exile, Klaw gains indestructible until end of turn.
Whenever Klaw deals combat damage to a player, look at the top card of that player's library, then exile it face down. You may play it for as long as it remains exiled. Mana of any type can be spent to cast a spell this way.

Klaw, Master of Sound

Marvel Super Heroes

Enchantment — Aura

Enchant creature
When this Aura enters, tap enchanted creature.
Enchanted creature loses all abilities and can't become untapped.

Frozen in Ice

Teamwork 4 (As an additional cost to cast this spell, you may tap any number of creatures you control with total power 4 or more.)
Choose target creature card in your graveyard with mana value 4 or less. If this spell was cast using teamwork, instead choose target creature card in your graveyard. Return the chosen card to the battlefield.

Too Evil to Stay Dead

{T}: Add one mana of any color in your commander's color identity.

Arcane Signet

{T}: Add {C}.
{T}: Add {B} or {R}. This artifact deals 1 damage to you.

Talisman of Indulgence

Enchantment

Flash
When this enchantment enters and at the beginning of your end step, you may pay {1}{W}. When you do, exile target creature you control, then return that card to the battlefield under its owner's control.

Quantum Entanglement

Creature — Elephant

Whenever this creature becomes tapped, you gain 1 life and scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Wakandan Tusker

Creature — Insect

Flying (This creature can't be blocked except by creatures with flying or reach.)
Whenever this creature attacks, up to one target creature gets -1/-0 until end of turn.

Ant-Man's Air Force

Secrets of Strixhaven Commander

Pull from Tomorrow

Secrets of Strixhaven

Creature — Orc Sorcerer

Trample
Opus — Whenever you cast an instant or sorcery spell, put a +1/+1 counter on this creature. If five or more mana was spent to cast that spell, put two +1/+1 counters on this creature instead.

Tackle Artist

Pest

Creature — Dryad Warlock

When this creature enters, create a 1/1 black and green Pest creature token with "Whenever this token attacks, you gain 1 life."
At the beginning of your end step, if a creature died under your control this turn, draw a card.

Essenceknit Scholar

Creature — Djinn Sorcerer

Whenever this creature enters or attacks, you may draw a card. If you do, discard a card.

Stadium Tidalmage

Lorwyn Eclipsed

Creature — Kithkin Advisor

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of Kithkin you control.

Thoughtweft Imbuer

Flash
Enchant creature you control
When this Aura enters, enchanted creature gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
Enchanted creature gets +1/+2.

Aquitect's Defenses

Creature — Goblin Warlock

As an additional cost to cast this spell, behold a Goblin or pay {2}. (To behold a Goblin, choose a Goblin you control or reveal a Goblin card from your hand.)
This creature can't block.
When this creature dies, destroy target creature an opponent controls with power 2 or less.

Mudbutton Cursetosser

Creature — Goblin Warrior

At the beginning of combat on your turn, you may blight 1. When you do, target creature gains haste until end of turn. (To blight 1, put a -1/-1 counter on a creature you control.)

Warren Torchmaster

Edge of Eternities

Creature — Human Soldier

Double strike
{5}: Creatures you control get +1/+1 until end of turn.

Dual-Sun Adepts

Target creature you control gains double strike until end of turn. If it has a +1/+1 counter on it, draw a card.

Dual-Sun Technique

Tarkir: Dragonstorm Commander

Welcome the Dead

Zombie Druid

Draw two cards, then discard a card and you lose 2 life. Create X tapped 2/2 black Zombie Druid creature tokens, where X is the number of cards that were put into your graveyard from your hand or library this turn.
Flashback {5}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Tarkir: Dragonstorm

Warrior

Creatures you control get +1/+0.
Whenever you attack, create a 1/1 red Warrior creature token that's tapped and attacking. Sacrifice it at the beginning of the next end step.

War Effort

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

Aetherdrift

Broadcast Rambler

Thopter

Artifact — Vehicle

When this Vehicle enters, create a 1/1 colorless Thopter artifact creature token with flying.
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.)

Creature — Vedalken Artificer

When this creature enters, create a 1/1 colorless Thopter artifact creature token with flying.

Nimble Thopterist

Foundations

Creature — Human Wizard

Whenever you draw your second card each turn, put a +1/+1 counter on this creature.

Erudite Wizard

Bloomburrow Tokens

Mabel, Heir to Cragflame

Token Legendary Artifact — Equipment

Equipped creature gets +1/+1 and has vigilance, trample, and haste.
Equip {2}

Cragflame

Whenever one or more creatures a player controls deal combat damage to you, that player takes the initiative.
Whenever you take the initiative and at the beginning of your upkeep, venture into Undercity. (If you're in a dungeon, advance to the next room. If you're not, enter Undercity. You can take the initiative even if you already have it.)

The Initiative

Battle for Baldur's Gate Oversized Cards

Explore the Underdark

Ravenloft Adventurer

Trailblazer's Torch

Stirring Bard

Goliath Paladin

Undercellar Sweep

Passageway Seer

Undermountain Adventurer

Undercity // The Initiative

Treasure

Tomb of Horrors Adventurer

White Plume Adventurer

Rilsa Rael, Kingpin

Seasoned Dungeoneer

Sarevok's Tome

Underdark Explorer

Loot Dispute

Skeleton

Bloodboil Sorcerer

Vicious Battlerager

Aarakocra Sneak

Dungeoneer's Pack

From the Catacombs

Avenging Hunter

Caves of Chaos Adventurer

Feywild Caretaker

Dungeon — Undercity

You can't enter this dungeon unless you "venture into Undercity."
Secret Entrance — Search your library for a basic land card, reveal it, put it into your hand, then shuffle. (Leads to: Forge, Lost Well)
Forge — Put two +1/+1 counters on target creature. (Leads to: Trap!, Arena)
Lost Well — Scry 2. (Leads to: Arena, Stash)
Trap! — Target player loses 5 life. (Leads to: Archives)
Arena — Goad target creature. (Leads to: Archives, Catacombs)
Stash — Create a Treasure token. (Leads to: Catacombs)
Archives — Draw a card. (Leads to: Throne of the Dead Three)
Catacombs — Create a 4/1 black Skeleton creature token with menace. (Leads to: Throne of the Dead Three)
Throne of the Dead Three — Reveal the top ten cards of your library. Put a creature card from among them onto the battlefield with three +1/+1 counters on it. It gains hexproof until your next turn. Then shuffle.

Undercity

Commander Legends: Battle for Baldur's Gate

Legendary Creature — Dragon Shaman

Whenever you cast a noncreature spell, target creature gets +X/+0 until end of turn, where X is that spell's mana value.
Choose a Background (You can have a Background as a second commander.)

Livaan, Cultist of Tiamat

Legendary Creature — Halfling Ranger

Deathtouch
Whenever Erinis attacks, return target land card from your graveyard to the battlefield.
Choose a Background (You can have a Background as a second commander.)

Erinis, Gloom Stalker

Boisterous Clique

{T}: Add {C}.
{1}, {T}, Sacrifice this artifact: Draw a card.

Mind Stone

Artifact Creature — Construct

Flying
Whenever a player casts a spell, they lose 1 life for each spell they've cast this turn.

Rug of Smothering

Artifact — Equipment

When this Equipment enters, you take the initiative.
Whenever equipped creature becomes blocked, it deals 2 damage to each creature blocking it.
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Secret Lair Drop

Legendary Artifact

{2}, {T}: Roll a d20 and subtract the number of cards in your hand. If the result is 0 or less, discard your hand.
1—9 | Return a card at random from your graveyard to your hand.
10—19 | Draw two cards.
20 | Put a creature card from any graveyard onto the battlefield under your control. When that creature dies, its owner loses the game.

The Deck of Many Things

Big Score

As an additional cost to cast this spell, discard a card.
Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")