Balance Martial Arts and Gaming

Creature — Merfolk Warrior

This creature can't be blocked.

Creature — Wall

Defender When this creature enters, you may return target instant or sorcery card from your graveyard to your hand.

Artifact

{T}: Target creature you control gets +1/+0 and gains flying until end of turn. Destroy that creature at the beginning of the next end step.

Creature — Goblin

This creature gets -1/-1 for each other creature on the battlefield.

Enchantment — Aura

Enchant creature Enchanted creature gets +2/-1. Escape—{2}{B}, Exile two other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Sorcery

Destroy target land. If that land was nonbasic, Molten Rain deals 2 damage to the land's controller.

Creature — Elemental

{R}: This creature gets +1/+0 until end of turn.

Creature — Bird

Defender, flying Morph {U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Creature — Djinn Wizard

Megamorph {5}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.) When this creature is turned face up, return target noncreature, nonland card from your graveyard to your hand.

Creature — Human Monk Cleric

When this creature enters, return target enchantment card from your graveyard to your hand.

Creature — Elf Rogue

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Creature — Merfolk Rogue

When this creature enters, if you control an artifact or enchantment, return target creature an opponent controls to its owner's hand.

Creature — Spirit

Morbid — When this creature enters, if a creature died this turn, target creature gets -4/-4 until end of turn.

Instant

Destroy target creature or enchantment.

Creature — Elemental

Creature — Elemental