Game On

Creature — Illusion Sliver

All Slivers have "{1}: This permanent becomes the creature type of your choice in addition to its other types until end of turn."

Legendary Creature — Illusion

Mistform Ultimus is every creature type (even if this card isn't on the battlefield).

Creature — Illusion

Flying {1}: This creature becomes the creature type of your choice until end of turn. {2}{U}{U}, {T}: Choose a creature type. Each creature you control becomes that type until end of turn.

Creature — Illusion Wall

This creature has defender as long as it's a Wall. {1}: This creature becomes the creature type of your choice until end of turn.

Creature — Illusion

Creature spells you cast that share a creature type with this creature cost {1} less to cast. {T}: This creature becomes the creature type of your choice until end of turn.

Creature — Eldrazi Drone

Devoid (This card has no color.) Flying Ingest (Whenever this creature deals combat damage to a player, that player exiles the top card of their library.)

Creature — Kithkin Rogue

Lifelink, protection from mana value 3 or greater

Creature — Kithkin Wizard

{2}{W}{U}: Exile target creature. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Creature — Pegasus

Flying

Creature — Siren

Flying Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Creature — Bird

Flying When this creature enters, return target creature to its owner's hand.

Artifact

You may pay {1} and return a basic land you control to its owner's hand rather than pay this spell's mana cost. This artifact enters tapped. {T}: Add {U} or {B}.

Creature — Shapeshifter

Changeling (This card is every creature type.) Flying {1}{U}: This creature gets +1/-1 until end of turn.

Creature — Vedalken Wizard

Flash (You may cast this spell any time you could cast an instant.) When this creature enters, you may change a target of target spell or ability to this creature.

Instant

Target creature you control gets +0/+1 and gains hexproof until end of turn. Overload {1}{U} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Creature — Wall

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

Creature — Spirit

Flying

Creature — Zombie Wall

Defender Cycling {2} ({2}, Discard this card: Draw a card.)

Sorcery

Create two 2/2 black Zombie creature tokens. Flashback {5}{B}{B} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creature — Fish

Defender (This creature can't attack.)

Artifact — Vehicle

Flying Whenever this Vehicle becomes crewed, up to one other target Vehicle you control becomes an artifact creature until end of turn. Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.)

Creature — Eldrazi Beast

Emerge {7}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may destroy target artifact or enchantment.

Enchantment

You can't cast more than one spell each turn. Whenever you cast a spell, draw a card.

Creature — Goblin

This creature can't attack or block alone.

Land

{T}: Add {C}. {T}: Add {R} or {G}. This land doesn't untap during your next untap step.

Instant

If an opponent controls an Island and you control a Mountain, you may cast this spell without paying its mana cost. Destroy target artifact.

Creature — Goblin Warrior

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters or dies, create a 1/1 red Goblin creature token.

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.)

Creature — Human Berserker

When this creature enters, up to X target creatures each gain intimidate and haste until end of turn, where X is your devotion to black. (A creature with intimidate can't be blocked except by artifact creatures and/or creatures that share a color with it. Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Enchantment Creature — Dog

Bestow {2}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached.) This creature attacks each combat if able. Enchanted creature gets +2/+2 and attacks each combat if able.

Creature — Fungus Snake

Whenever an opponent casts a blue or black spell, you may put a +1/+1 counter on this creature.

Enchantment — Aura

Enchant creature Enchanted creature gets +3/+3. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

Creature — Insect Horror

When this creature enters, mill three cards, then put a +1/+1 counter on this creature for each creature card in your graveyard. (To mill three cards, put the top three cards of your library into your graveyard.)

Sorcery

Create two 1/1 red Elemental creature tokens, then flip a coin. If you win the flip, return Molten Birth to its owner's hand.

Sorcery

Kicker {R} (You may pay an additional {R} as you cast this spell.) If this spell was kicked, it has split second. (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Molten Disaster deals X damage to each creature without flying and each player.

Instant

Destroy target artifact creature. Cycling {2} ({2}, Discard this card: Draw a card.)

Creature — Hydra

{1}{R}{R}: Put a +1/+1 counter on this creature. {T}, Remove all +1/+1 counters from this creature: It deals damage to any target equal to the number of +1/+1 counters removed this way.

Enchantment

Devoid (This card has no color.) Whenever you cast a colorless spell, this enchantment deals 1 damage to any target.

Sorcery

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

Enchantment

{R}, Discard a land card: This enchantment deals 2 damage to any target.

Enchantment — Aura

Enchant creature Enchanted creature gets +2/+0 and has "{2}{B}: Regenerate this creature."

Instant

Target creature gets -2/-2 until end of turn. You gain 2 life.

Instant

Target creature gets +2/+2 and gains lifelink until end of turn. (Damage dealt by the creature also causes its controller to gain that much life.)

Instant

Target creature gets +2/+2 until end of turn. You gain 2 life.

Creature — Dinosaur

Whenever this creature attacks, if it doesn't have first strike, put a first strike counter on it. Whenever this creature attacks, if it has first strike, it gains double strike until end of turn.

Creature — Human Monk

Haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Creature — Human Wizard

{U}, Say your middle name: This creature gains shroud until end of turn. {U}, Say an opponent's middle name: This creature gains flying until end of turn.

Enchantment — Class

(Gain the next level as a sorcery to add its ability.) The second spell you cast each turn costs {1} less to cast. {W}{U}: Level 2 When this Class becomes level 2, return up to one target nonland permanent to its owner's hand. {1}{W}{U}: Level 3 At the beginning of your upkeep, exile the top card of your library. For as long as it remains exiled, it has "You may cast this card from exile as long as you've cast another spell this turn."

Creature — Human Monk Cleric

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

Creature — Elf Monk

Flurry of Blows — Whenever you cast your second spell each turn, put a +1/+1 counter on this creature.

Creature — Human Monk Cleric

When this creature enters, destroy target enchantment.

Sorcery

Target player chooses a card in their hand and discards the rest.

Artifact Creature — Construct

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

Creature — Goblin

Creature — Goblin Waiter

Sacrifice a creature or land: Add {HR}.

Sorcery

Target creature gets +4/+4 until end of turn. Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Creature — Insect

This creature attacks each combat if able. Cycling {B/R} ({B/R}, Discard this card: Draw a card.)

Sorcery

Target creature gets +4/+4 until end of turn.