Tarkir: Dragonstorm

Goblin

Creature — Goblin Warrior

When this creature enters, create a 1/1 red Goblin creature token.
{1}, {T}: Target creature you control with power 2 or less can't be blocked this turn.

Underfoot Underdogs

Tarkir: Dragonstorm Promos

Creature — Orc Ranger

During your turn, spells you cast cost {1} less to cast for each creature you control with power 4 or greater.

Temur Battlecrier

Land

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {W} or {B}.

Scoured Barrens

Aetherdrift Promos

Creature — Ox Mount

Whenever this creature attacks while saddled, put a +1/+1 counter on target creature.
Sacrifice this creature: Creatures you control with counters on them gain hexproof and indestructible until end of turn.
Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Bulwark Ox

Aetherdrift

Instant

Destroy target creature with toughness 4 or greater.
Cycling {2} ({2}, Discard this card: Draw a card.)

Gallant Strike

Creature — Wurm

Reach, trample
Exhaust — {6}{G}: Put three +1/+1 counters on this creature. (Activate each exhaust ability only once.)

Hazard of the Dunes

Foundations Tokens

Kiora, the Rising Tide

Token Legendary Creature — Octopus

Scion of the Deep

Foundations Jumpstart

Creature — Dinosaur Beast

At the beginning of combat on your turn, you may pay {2}{G}. When you do, put a +1/+1 counter on target creature. That creature gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Spined Tyrranax

Foundations

Creature — Shark Pirate

When this creature enters, return target creature an opponent controls to its owner's hand.

Bigfin Bouncer

Foundations Jumpstart Front Cards

Card

Modified

Creature — Spirit

Flying
When this creature enters, mill three cards. (Put the top three cards of your library into your graveyard.)
Threshold — This creature gets +2/+1 as long as there are seven or more cards in your graveyard.

Billowing Shriekmass

Foundations Commander

Creature — Dragon Hydra

Flying, haste
This creature enters with X +1/+1 counters on it.

Shivan Devastator

Creature — Snake Druid

{T}: Add {G}.
As long as this creature is modified, it has "{T}: Add {G}{G}." (Equipment, Auras you control, and counters are modifications.)

Orochi Merge-Keeper

Modern Horizons 3 Promos

Legendary Creature — Eldrazi

When you cast this spell, gain control of all creatures target player controls.
Flying, protection from spells and from permanents that were cast this turn
When Emrakul leaves the battlefield, sacrifice all creatures you control.
Madness—Pay six {C}.

Emrakul, the World Anew

Manifest

When you cast this spell, up to two target players each manifest two cards from their hands. For each card manifested this way, you draw a card. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.)
Other colorless creatures you control get +3/+2.

Kozilek, the Broken Reality

Modern Horizons 3 Commander

Forest Dryad

Jyoti, Moag Ancient

Legendary Creature — Elemental

When Jyoti enters, create a 1/1 green Forest Dryad land creature token for each time you've cast your commander from the command zone this game. (They're affected by summoning sickness.)
At the beginning of each combat, land creatures you control get +X/+X until end of turn, where X is Jyoti's power.

Overclocked Electromancer

Energy Reserve

Creature — Lizard Wizard

At the beginning of combat on your turn, you may pay {E}{E}{E}. If you do, put a +1/+1 counter on this creature.
Whenever this creature attacks, double its power until end of turn.
Whenever this creature deals combat damage to a creature, if that creature was dealt excess damage this turn, you get X {E}, where X is that excess damage.

Outlaws of Thunder Junction Promos

Creature — Snake Horse Mount

Whenever this creature attacks, reveal the top card of your library and put it into your hand. You lose life equal to that card's mana value if this creature isn't saddled. Otherwise, each opponent loses that much life.
Saddle 3 (Tap any number of other creatures you control with total power 3 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Caustic Bronco

Outlaws of Thunder Junction

Creature — Lizard Mount

Whenever this creature attacks while saddled, exile the top card of your library. Until the end of your next turn, you may play that card.
Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.)

Gila Courser

Murders at Karlov Manor Promos

Legendary Creature — Crocodile Elk Turtle

This spell costs {X} less to cast, where X is the total toughness of creatures you control.
Defender
{2}{U}{U}: Until end of turn, target creature you control gets +1/+0, gains "Whenever this creature deals combat damage to a player, draw cards equal to its toughness," and can attack as though it didn't have defender.

The Pride of Hull Clade

Murders at Karlov Manor

A Mysterious Creature

Creature — Vampire

Flying
When this creature enters, you lose 3 life.
Disguise {B}{B} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

Nightdrinker Moroii

Ooze

Sorcery

Create a 0/0 green Ooze creature token with trample. Put X +1/+1 counters on it, where X is two plus the total number of cards you own in exile and in your graveyard that are Oozes or are named Slime Against Humanity.
A deck can have any number of cards named Slime Against Humanity.

Slime Against Humanity

Creature — Hellion

Reach
Disguise {4}{R/G}{R/G} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)

Riftburst Hellion

Wilds of Eldraine Promos

Wicked // Cursed

Asinine Antics

You may cast this spell as though it had flash if you pay {2} more to cast it.
For each creature your opponents control, create a Cursed Role token attached to that creature. (If you control another Role on it, put that one into the graveyard. Enchanted creature is 1/1.)

Wilds of Eldraine

Target creature gets +3/+0 until end of turn.
Draw a card.

Sugar Rush

Commander Masters

Creature — Elemental

When this creature leaves the battlefield, it deals 6 damage to target creature.
Evoke {1}{R}{R} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Spitebellows

Omarthis, Ghostfire Initiate

Legendary Creature — Spirit Snake

Omarthis enters with X +1/+1 counters on it.
Whenever you put one or more +1/+1 counters on another colorless creature, you may put a +1/+1 counter on Omarthis.
When Omarthis dies, manifest a number of cards from the top of your library equal to the number of counters on it.

Creature — Sliver

Sliver creatures you control have "Whenever this creature deals combat damage to a player, exile the top card of your library. You may play that card this turn."

Capricious Sliver

March of the Machine Commander

Creature — Phyrexian Fox

Whenever one or more Phyrexians you control attack, return target artifact card from your graveyard to the battlefield if its mana value is less than or equal to their total power.

Vulpine Harvester

March of the Machine

Creature — Cat Citizen

Backup 1 (When this creature enters, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)
This creature assigns combat damage equal to its toughness rather than its power.

Streetwise Negotiator

Creature — Yeti

Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)
Backup 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)
Trample

Cragsmasher Yeti

Dominaria United

Creature — Beast

Enlist (As this creature attacks, you may tap a nonattacking creature you control without summoning sickness. When you do, add its power to this creature's until end of turn.)
This creature can't be blocked by creatures with power 2 or less.

Linebreaker Baloth

Hezrou

Battle for Baldur's Gate Art Series

Brainstealer Dragon

Instant — Adventure

Each creature that blocked this turn gets -1/-1 until end of turn. (Then exile this card. You may cast the creature later from exile.)

Demonic Stench

Commander Legends: Battle for Baldur's Gate

On an Adventure

Creature — Frog Demon

Whenever one or more creatures you control become blocked, each blocking creature gets -1/-1 until end of turn.

Creature — Dragon Horror

Flying
At the beginning of your end step, exile the top card of each opponent's library. You may play those cards for as long as they remain exiled. If you cast a spell this way, you may spend mana as though it were mana of any color to cast it.
Whenever a nonland permanent an opponent owns enters the battlefield under your control, they lose life equal to its mana value.

Kamigawa: Neon Dynasty Tokens

One with the Kami

Sekki, Seasons' Guide

Release to Memory

Spiritual Visit

Searchlight Companion

Go-Shintai of Shared Purpose

Promise of Bunrei

Dripping-Tongue Zubera

Baku Altar

Akki Ember-Keeper

The Restoration of Eiganjo // Architect of Restoration

Honden of Life's Web

Gods' Eye, Gate to the Reikai

Concord with the Kami

Myojin of Blooming Dawn

Sokenzan, Crucible of Defiance

Teachings of the Kirin // Kirin-Touched Orochi

Forbidden Orchard

Token Creature — Spirit

Spirit

Kamigawa: Neon Dynasty

Artifact Creature — Goblin Archer

Reach
When this creature enters, it deals 2 damage to any target.
Channel — {1}{R}, Discard this card: It deals 2 damage to any target.

Twinshot Sniper

Innistrad: Double Feature

Zombie

Creature — Zombie Bird

Flying
When this creature enters, create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Falcon Abomination

Creature — Drake

Flying
Whenever this creature becomes the target of a spell you control, draw a card.

Stormchaser Drake

Creature — Beast Horror

Trample, haste
Other creatures you control get +1/+1 and have trample and haste.

Ulvenwald Behemoth

Trample, haste
{5}{G}{G}: Transform this creature.

Ulvenwald Oddity

Basilisk

Adventures in the Forgotten Realms Art Series

Underdark Basilisk

Adventures in the Forgotten Realms Promos

Creature — Frog Horror

Trample, haste
Whenever this creature deals combat damage to a player, exile up to that many target cards from their graveyard. Put a +1/+1 counter on this creature for each creature card exiled this way. You gain 1 life for each noncreature card exiled this way.