Gain control of target spell. You may choose new targets for it. (If that spell becomes a permanent, it enters the battlefield under your control.)

{T}: Untap target artifact or creature.

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.)

Heroic -- Whenever you cast a spell that targets Artisan of Forms, you may have Artisan of Forms become a copy of target creature, except it has this ability.

Gain control of target Aura that's attached to a permanent. Attach it to another permanent it can enchant.

Flying

When Aura Thief dies, you gain control of all enchantments. (You don't get to move Auras.)

Enchant creature

{1}, Tap an untapped creature you control: Untap enchanted creature.

Exile a creature card from your graveyard and pay its mana cost: Create a token that's a copy of that card. Activate only as a sorcery.

{T}: Gain control of target creature with power less than or equal to the number of creatures you control.

For each opponent, gain control of target permanent that player controls.

You may have Body Double enter the battlefield as a copy of any creature card in a graveyard.

Create a token that's a copy of target creature you control.

Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

You may choose not to untap Callous Oppressor during your untap step.

As Callous Oppressor enters the battlefield, an opponent chooses a creature type.

{T}: Gain control of target creature that isn't of the chosen type for as long as Callous Oppressor remains tapped.

You may have Clever Impersonator enter the battlefield as a copy of any nonland permanent on the battlefield.

You may have Clone enter the battlefield as a copy of any creature on the battlefield.

For each creature target player controls, create a token that's a copy of that creature.

You may have Copy Artifact enter the battlefield as a copy of any artifact on the battlefield, except it's an enchantment in addition to its other types.

You may have Copy Enchantment enter the battlefield as a copy of any enchantment on the battlefield.

Target creature you control gains protection from creatures your opponents control until end of turn. Untap it.

At the beginning of your upkeep, you may have Cryptoplasm become a copy of another target creature, except it has this ability.

Enchant player

Whenever enchanted player casts an instant or sorcery spell, each other player may copy that spell and may choose new targets for the copy they control.

Graft 2 (This creature enters the battlefield with two +1/+1 counters on it. Whenever another creature enters the battlefield, you may move a +1/+1 counter from this creature onto it.)

{U}, {T}: Gain control of target creature with a +1/+1 counter on it for as long as Cytoplast Manipulator remains on the battlefield.

Target player gains control of up to three target nonattacking creatures until end of turn. Untap those creatures. They block this turn if able.

Level up {1}{U} ({1}{U}: Put a level counter on this. Level up only as a sorcery.)

LEVEL 2-3

2/4

{U}{U}, {T}: Copy target instant or sorcery spell. You may choose new targets for the copy.

LEVEL 4+

2/5

{U}{U}, {T}: Copy target instant or sorcery spell twice. You may choose new targets for the copies.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Elgaud Shieldmate is paired with another creature, both creatures have hexproof. (They can't be the targets of spells or abilities your opponents control.)

When Elite Arcanist enters the battlefield, you may exile an instant card from your hand.

{X}, {T}: Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.

{U}{U}, {T}: Gain control of target legendary permanent. (This effect lasts indefinitely.)

Search target opponent's library for an artifact, creature, enchantment, or land card. Put that card onto the battlefield under your control. Then that player shuffles.

Epic (For the rest of the game, you can't cast spells. At the beginning of each of your upkeeps, copy this spell except for its epic ability. You may choose a new target for the copy.)

Converge -- Gain control of target creature if its power is less than or equal to the number of colors of mana spent to cast this spell.

Create a token that's a copy of target creature you control. If it's your turn, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Counter target instant or sorcery spell unless its controller pays {1}.

Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Enchant creature

At the beginning of your upkeep, create a token that's a copy of enchanted creature.

Enchant creature

{U}: Tap enchanted creature.

{U}: Untap enchanted creature.

You may have Gigantoplasm enter the battlefield as a copy of any creature on the battlefield, except it has "{X}: This creature has base power and toughness X/X."

You may tap or untap target permanent, then you may tap or untap another target permanent.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Whenever Identity Thief attacks, you may exile another target nontoken creature. If you do, Identity Thief becomes a copy of that creature until end of turn. Return the exiled card to the battlefield under its owner's control at the beginning of the next end step.

Enchant creature

You control enchanted creature.

Whenever a creature enters the battlefield under an opponent's control, attach Illusory Gains to that creature.

Enchant creature

When Infinite Reflection enters the battlefield attached to a creature, each other nontoken creature you control becomes a copy of that creature.

Nontoken creatures you control enter the battlefield as a copy of enchanted creature.

At the beginning of your upkeep, you may put a treasure counter on Legacy's Allure.

Sacrifice Legacy's Allure: Gain control of target creature with power less than or equal to the number of treasure counters on Legacy's Allure. (This effect lasts indefinitely.)

Whenever a spell or ability you control counters a spell, you may create a 1/1 blue Merfolk creature token.

Tap seven untapped Merfolk you control: Counter target spell.

When Master Thief enters the battlefield, gain control of target artifact for as long as you control Master Thief.

At the beginning of your end step, untap all Merfolk you control.

Enchant creature

Whenever enchanted creature attacks, you may create a token that's a copy of that creature. Exile that token at end of combat.

{3}{U}{U}: Turn Mischievous Quanar face down.

Morph {1}{U}{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 Mischievous Quanar is turned face up, copy target instant or sorcery spell. You may choose new targets for that copy.

You may choose not to untap Old Man of the Sea during your untap step.

{T}: Gain control of target creature with power less than or equal to Old Man of the Sea's power for as long as Old Man of the Sea remains tapped and that creature's power remains less than or equal to Old Man of the Sea's power.

Tap an untapped Wizard you control: Counter target spell unless its controller pays {1}.

Choose a creature type. If you control more creatures of that type than each other player, you gain control of all creatures of that type. (This effect lasts indefinitely.)

Enchant creature

{U}: Untap enchanted creature.

{U}: Enchanted creature gains flying until end of turn.

{U}: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)

{1}: Enchanted creature gets +1/-1 or -1/+1 until end of turn.

You may have Phantasmal Image enter the battlefield as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."

({U/P} can be paid with either {U} or 2 life.)

You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

Counter target instant or sorcery spell that targets you.

Spell mastery -- If there are two or more instant and/or sorcery cards in your graveyard, you may copy the spell countered this way. You may choose new targets for the copy.

{U}, {T}: You may tap or untap target creature.

Whenever another creature enters the battlefield under your control, you may have Renegade Doppelganger become a copy of that creature until end of turn. (If it does, it loses this ability for the rest of the turn.)

Whenever Riptide Entrancer deals combat damage to a player, you may sacrifice it. If you do, gain control of target creature that player controls. (This effect lasts indefinitely.)

Morph {U}{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.)

Kicker {5} (You may pay an additional {5} as you cast this spell.)

Create a token that's a copy of target creature. If this spell was kicked, create five of those tokens instead.

You may have Sakashima the Impostor enter the battlefield as a copy of any creature on the battlefield, except its name is Sakashima the Impostor, it's legendary in addition to its other types, and it has "{2}{U}{U}: Return this creature to its owner's hand at the beginning of the next end step."

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

You may have Sakashima's Student enter the battlefield as a copy of any creature on the battlefield, except it's a Ninja in addition to its other creature types.

When you control no Islands, sacrifice Seasinger.

You may choose not to untap Seasinger during your untap step.

{T}: Gain control of target creature whose controller controls an Island for as long as you control Seasinger and Seasinger remains tapped.

Changeling (This card is every creature type.)

{2}{U}: Target Shapeshifter becomes a copy of target creature until your next turn.

{1}{U}, Tap two untapped Wizards you control: Copy target instant or sorcery spell. You may choose new targets for the copy.

Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.)

{T}, Remove one or more +1/+1 counters from Simic Manipulator: Gain control of target creature with power less than or equal to the number of +1/+1 counters removed this way.

Flying

When Sky Swallower enters the battlefield, target opponent gains control of all other permanents you control.

Exile target instant or sorcery card from your graveyard and target instant or sorcery card from an opponent's graveyard. Copy those cards. Cast the copies if able without paying their mana costs. Exile Spelltwine.

Will of the council -- Choose target instant or sorcery spell. Starting with you, each player votes for denial or duplication. If denial gets more votes, counter the spell. If duplication gets more votes or the vote is tied, copy the spell. You may choose new targets for the copy.

Create a token that's a copy of target artifact or creature.

Cipher (Then you may exile this spell card encoded on a creature you control. Whenever that creature deals combat damage to a player, its controller may cast a copy of the encoded card without paying its mana cost.)

Sacrifice Teardrop Kami: You may tap or untap target creature.

{U}, {T}: You may tap or untap another target creature.

Landfall -- Whenever a land enters the battlefield under your control, you may untap Tideforce Elemental.

Copy target instant or sorcery spell. You may choose new targets for the copy.

Whenever another creature enters the battlefield, Unstable Shapeshifter becomes a copy of that creature, except it has this ability.

As Vesuvan Shapeshifter enters the battlefield or is turned face up, you may choose another creature on the battlefield. If you do, until Vesuvan Shapeshifter is turned face down, it becomes a copy of that creature, except it has "At the beginning of your upkeep, you may turn this creature face down."

Morph {1}{U}

Madness {X}{U}{U} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

Gain control of target creature if its toughness is 2 or less. If this spell's madness cost was paid, instead gain control of that creature if its toughness is X or less.

Whenever a creature an opponent controls becomes the target of a spell or ability you control, gain control of that creature for as long as you control Willbreaker.