Game On

Creature — Cat

Mutate {2}{W} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.) Whenever this creature mutates, other creatures you control get +X/+X until end of turn, where X is the number of times this creature has mutated.

Sorcery

Destroy all enchantments. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Faerie

Flying, lifelink Creatures entering or dying don't cause abilities to trigger.

Creature — Human Knight

Flash (You may cast this spell any time you could cast an instant.) Vigilance

Creature — Jellyfish Hydra Beast

When you cast this spell, you gain half X life and draw half X cards. Round down each time. Flying, trample This creature enters with X +1/+1 counters on it.

Creature — Hyena

Sorcery

Put target creature card from a graveyard onto the battlefield under your control.

Enchantment

{W}, Discard a card: Prevent the next 3 damage that would be dealt to any target this turn. {W}, Sacrifice this enchantment: Prevent the next 3 damage that would be dealt to any target this turn.

Instant

Draw two cards. Then you may discard a nonland card. When you do, Hypothesizzle deals 4 damage to target creature.

Creature — Human Scout

When this creature enters, untap target creature.

Creature — Human Soldier

This creature enters with a javelin counter on it. {T}, Remove a javelin counter from this creature: It deals 1 damage to any target.

Enchantment — Aura

Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated. When enchanted creature becomes the target of a spell or ability, destroy this Aura.

Enchantment — Aura

Enchant artifact or creature Enchanted permanent doesn't untap during its controller's untap step.

Snow Creature — Crab

Whenever another snow permanent you control enters, you may have target player mill two cards.

Snow Artifact

{S}, {T}: Tap target artifact or creature. ({S} can be paid with one mana from a snow source.)

Snow Creature — Kraken

Affinity for snow lands (This spell costs {1} less to cast for each snow land you control.) When this creature enters, artifacts and creatures target opponent controls don't untap during that player's next untap step. Return three snow lands you control to their owner's hand: Return this creature to its owner's hand.

Creature — Bird Shaman

Flying Morph {1}{G}{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.) When this creature is turned face up, you may return another target creature to its owner's hand.

Snow Artifact Creature — Golem

({S} can be paid with one mana from a snow source.)

Snow Creature — Troll Warrior

{S}{S}: This creature gets +2/+0 and gains indestructible until end of turn. Tap it. (Damage and effects that say "destroy" don't destroy it. {S} can be paid with one mana from a snow source.)

Legendary Creature — Phyrexian Human Artificer

When Ich-Tekik enters, create a 3/3 colorless Phyrexian Golem artifact creature token. Whenever an artifact is put into a graveyard from the battlefield, put a +1/+1 counter on Ich-Tekik and a +1/+1 counter on each Golem you control. Partner (You can have two commanders if both have partner.)

Creature — Phyrexian Vampire

Lifelink {B}, Exile this card from your graveyard: Incubate 2. Activate only as a sorcery. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

Sorcery

Target creature gets -3/-3 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.) Madness {3}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Creature — Phyrexian Wizard

Whenever you cast a noncreature spell, put an oil counter on this creature. As long as this creature has four or more oil counters on it, it gets +2/+0 and can't be blocked.

Artifact Creature — Phyrexian Golem

Whenever a creature you control enters, if it has one or more oil counters on it, put an oil counter on it. Creatures you control with oil counters on them get +1/+1.

Enchantment — Aura

Enchant creature Enchanted creature loses all abilities and is a blue Fish with base power and toughness 0/1.

Artifact

{1}, {T}: Tap target artifact, creature, or land.

Sorcery

Exile all cards from target player's hand and graveyard.

Land — Plains

({T}: Add {W}.) This land enters tapped unless you control three or more other Plains. When this land enters untapped, put a +1/+1 counter on target creature you control.

Land — Desert

{T}: Add {C}. {T}, Pay 1 life: Add {B}. {2}{B}{B}, {T}, Sacrifice a Desert: Put two -1/-1 counters on target creature an opponent controls. Activate only as a sorcery.

Creature — Elemental Dog

{1}{R}: This creature gets +2/+0 until end of turn.

Instant

Ignite Disorder deals 3 damage divided as you choose among one, two, or three target white and/or blue creatures.

Sorcery

Target player reveals a card at random from their hand. Ignite Memories deals damage to that player equal to that card's mana value. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Instant

Search your library for up to two planeswalker cards, reveal them, put them into your hand, then shuffle.

Instant

Exile all cards from your hand face down. At the beginning of the next end step, return those cards to your hand, then draw a card.

Enchantment

At the beginning of your upkeep, this enchantment deals 1 damage to each opponent and you gain 1 life. {5}{B}, Sacrifice this enchantment: It deals 4 damage to target opponent and you gain 4 life.

Creature — Cyclops

Trample {5}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Sorcery

Casualty 3 (As you cast this spell, you may sacrifice a creature with power 3 or greater. When you do, copy this spell.) Search your library for a card, put it into your hand, then shuffle.

Enchantment

Creature tokens get -1/-1.

Sorcery — Lesson

Discard any number of cards, then draw that many cards. Then if there are seven or more cards in your graveyard, create a 3/2 red and white Spirit creature token.

Creature — Human Rogue

Double strike Whenever this creature becomes the target of a spell you control, it connives. (Draw a card, then discard a card. If you discarded a nonland card, put a +1/+1 counter on this creature.)

Creature — Illusion

Flying Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Creature — Illusion

Flying When this creature becomes the target of a spell or ability, sacrifice it.

Creature — Illusion Wall

Defender, flying, first strike Cumulative upkeep {U} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Instant

Exile up to two target creatures you control, then return those cards to the battlefield under their owner's control. Draw a card.

Creature — Angel Illusion

Cast this spell only if you've cast another spell this turn. Flying

Enchantment — Aura

Enchant creature Enchanted creature has base power and toughness 0/2.

Creature — Plant

{T}: Add one mana of any color. If you control a creature with power 4 or greater, add two mana of any one color instead.

Creature — Human Wizard

{T}: Choose a creature type other than Wall. Target creature becomes that type until end of turn.

Instant

Creatures target opponent controls attack this turn if able. During that player's next untap step, creatures they control don't untap. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Demon Berserker

When this creature enters, you may discard a card. If you do, draw a card.

Instant

Destroy target attacking creature.

Sorcery

Destroy target creature.

Creature — Phyrexian Bird

Flying Whenever this creature deals combat damage to a player, you may sacrifice it. If you do, draw three cards.

Creature — Human Cleric

Whenever another creature you control enters, you gain 1 life.

Instant

Impeccable Timing deals 3 damage to target attacking or blocking creature.