Exile target creature you control, then return that card to the battlefield under its owner's control.

Draw a card.

As Adaptive Automaton enters the battlefield, choose a creature type.

Adaptive Automaton is the chosen type in addition to its other types.

Other creatures you control of the chosen type get +1/+1.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast an Ally spell.

{1}, {T}, Sacrifice Ally Encampment: Return target Ally you control to its owner's hand.

Changeling (This card is every creature type.)

{T}: Target creature gains all creature types until end of turn.

{T}: Target creature loses all creature types until end of turn.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this artifact: Add one mana of any color.")

As Ancient Amphitheater enters the battlefield, you may reveal a Giant card from your hand. If you don't, Ancient Amphitheater enters the battlefield tapped.

{T}: Add {R} or {W}.

As Arcane Adaptation enters the battlefield, choose a creature type.

Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{T}: Add {C}.

{1}, {T}: Until end of turn, creatures your opponents control lose hexproof and shroud and can't have hexproof or shroud.

{T}: Add one mana of any color in your commander's color identity.

As Auntie's Hovel enters the battlefield, you may reveal a Goblin card from your hand. If you don't, Auntie's Hovel enters the battlefield tapped.

{T}: Add {B} or {R}.

Changeling (This card is every creature type.)

Flying

Whenever you cast a creature spell, draw a card.

{4}, {T}: Create a 2/2 colorless Shapeshifter creature token with changeling. (It has every creature type.)

At the beginning of your precombat main phase, choose one or more --

• Sell Contraband -- Create a Treasure token. You lose 1 life.

• Buy Information -- Draw a card. You lose 2 life.

• Hire a Mercenary -- Create a 3/2 colorless Shapeshifter creature token with changeling. You lose 3 life. (It has every creature type.)

Equipped creature has myriad. (Whenever it attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Equip {4}

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

When Bonds of Mortality enters the battlefield, draw a card.

{G}: Creatures your opponents control lose hexproof and indestructible until end of turn.

Flying

Whenever Brago, King Eternal deals combat damage to a player, exile any number of target nonland permanents you control, then return those cards to the battlefield under their owner's control.

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.)

Changeling (This card is every creature type.)

As long as a creature card with flying is in a graveyard, Cairn Wanderer has flying. The same is true for fear, first strike, double strike, deathtouch, haste, landwalk, lifelink, protection, reach, trample, shroud, and vigilance.

Enchant creature

At the beginning of your upkeep, you may look at the top five cards of your library. If you do, you may put a creature card that shares a creature type with enchanted creature from among them onto the battlefield, then you put the rest of those cards on the bottom of your library in any order.

Indestructible

{T}: Add {C}.

{5}, {T}: Add five mana in any combination of colors.

Search your library for a Mercenary card, reveal that card, put it into your hand, then shuffle.

Changeling (This card is every creature type.)

Protection from black

{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

Changeling (This card is every creature type.)

Haste

Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Changeling (This card is every creature type.)

Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Changeling (This card is every creature type.)

Changeling Outcast can't block and can't be blocked.

Changeling (This card is every creature type.)

Vigilance

Changeling (This card is every creature type.)

Champion a creature (When this enters the battlefield, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Lands you control have "{T}: Add one mana of any color."

{T}: Add one mana of any color.

You may spend mana as though it were mana of any color.

{T}: Add {C}{C}{C}{C}{C}.

{5}, {T}: Draw a card for each color among permanents you control.

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.

As Cloud Key enters the battlefield, choose artifact, creature, enchantment, instant, or sorcery.

Spells you cast of the chosen type cost {1} less to cast.

Exile target creature you control, then return that card to the battlefield under your control.

{T}: Add one mana of any color in your commander's color identity.

{T}: Add one mana of any color in your commander's color identity.

Sacrifice Commander's Sphere: Draw a card.

Counter target noncreature spell unless its controller pays {1} plus an additional {1} for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

At the beginning of your end step, you may exile target creature you control, then return that card to the battlefield under your control.

Counter target spell.

This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Search your library for a card, put it into your hand, then shuffle. If you have a full party, you may cast a spell with mana value 4 or less from your hand without paying its mana cost.

Changeling (This card is every creature type.)

Exile target creature. Its controller creates a 1/1 colorless Shapeshifter creature token with changeling.

Creatures you control have "{T}: Add one mana of any color."

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Indestructible

{T}: Add one mana of any color.

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 Deadeye Navigator is paired with another creature, each of those creatures has "{1}{U}: Exile this creature, then return it to the battlefield under your control."

This spell costs {1} less to cast for each creature in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.)

Destroy target creature or planeswalker.

Search your library for up to four Minotaur creature cards with different names, put them onto the battlefield, then shuffle.

You have no maximum hand size.

{T}: Add one mana of any color.

At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.

Exile target permanent with mana value 4 or greater.

{T}: Add {C}.

{1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

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

Choose a creature type. Draw a card for each permanent you control of that type.

As Door of Destinies enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, put a charge counter on Door of Destinies.

Creatures you control of the chosen type get +1/+1 for each charge counter on Door of Destinies.

Copy target creature spell you control, except it isn't legendary if the spell is legendary. (A copy of a creature spell becomes a token.)

This spell can't be countered.

Counter target noncreature spell.

Whenever a Dragon enters the battlefield under your control, put a gold counter on Dragon's Hoard.

{T}, Remove a gold counter from Dragon's Hoard: Draw a card.

{T}: Add one mana of any color.

Flying

Other Spirit creatures you control get +1/+1 and have hexproof. (They can't be the targets of spells or abilities your opponents control.)

Exile any number of target creatures you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Return any number of permanent cards with different names from your graveyard to the battlefield.

Exile target creature you control, then return it to the battlefield under its owner's control.

Rebound (If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)

As Etchings of the Chosen enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

{1}, Sacrifice a creature of the chosen type: Target creature you control gains indestructible until end of turn.

Artifact spells you cast cost {1} less to cast.

You may have Evil Twin enter the battlefield as a copy of any creature on the battlefield, except it has "{U}{B}, {T}: Destroy target creature with the same name as this creature."

{T}: Add one mana of any color that a land an opponent controls could produce.

Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

Search your library for an artifact card, reveal it, put it into your hand, then shuffle.

Return to the battlefield all permanent cards in your graveyard that were put there from the battlefield this turn.

Choose one or more --

• Exile all artifacts.

• Exile all creatures.

• Exile all enchantments.

• Exile all graveyards.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

{T}: Add one mana of any color that a land an opponent controls could produce.

Changeling (This card is every creature type.)

{R}: Fire-Belly Changeling gets +1/+0 until end of turn. Activate no more than twice each turn.

Whenever a nontoken creature enters the battlefield under your control, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control.

When Fool's Demise is put into a graveyard from the battlefield, return Fool's Demise to its owner's hand.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

As Fortified Beachhead enters the battlefield, you may reveal a Soldier card from your hand. Fortified Beachhead enters the battlefield tapped unless you revealed a Soldier card this way or you control a Soldier.

{T}: Add {W} or {U}.

{5}, {T}: Soldiers you control get +1/+1 until end of turn.

Changeling (This card is every creature type.)

Trample

All Slivers have "{T}: Add one mana of any color."

Trample

Whenever Geode Golem deals combat damage to a player, you may cast your commander from the command zone without paying its mana cost. (You still pay any additional costs.)

Changeling (This card is every creature type.)

{1}{B}: Ghostly Changeling gets +1/+1 until end of turn.

Exile two target artifacts, creatures, and/or lands you control, then return those cards to the battlefield under your control.

Exile each creature you control. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

{T}: Add three mana of any one color.

As Gilt-Leaf Palace enters the battlefield, you may reveal an Elf card from your hand. If you don't, Gilt-Leaf Palace enters the battlefield tapped.

{T}: Add {B} or {G}.

Changeling (This card is every creature type.)

Whenever another creature named Gladewalker Ritualist enters the battlefield under your control, draw a card.

Creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

{3}, Sacrifice Glaring Spotlight: Creatures you control gain hexproof until end of turn and can't be blocked this turn.

Grand Coliseum enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Grand Coliseum deals 1 damage to you.

Changeling (This card is every creature type.)

When Graveshifter enters the battlefield, you may return target creature card from your graveyard to your hand.

Changeling (This card is every creature type.)

When Guardian Gladewalker enters the battlefield, put a +1/+1 counter on target creature.

Whenever a nontoken creature enters the battlefield under your control, if it doesn't have the same name as another creature you control or a creature card in your graveyard, draw a card.

At the beginning of combat on your turn, create a token that's a copy of equipped creature, except the token isn't legendary. That token gains haste.

Equip {5}

As Herald's Horn enters the battlefield, choose a creature type.

Creature spells you cast of the chosen type cost {1} less to cast.

At the beginning of your upkeep, look at the top card of your library. If it's a creature card of the chosen type, you may reveal it and put it into your hand.

Permanents you control gain hexproof and indestructible until end of turn.

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.

Each player may discard their hand and draw cards equal to the greatest mana value of a commander they own on the battlefield or in the command zone.

Changeling (This card is every creature type.)

Create a token that's a copy of target creature you control, except the token has flying and it isn't legendary.

Changeling (This card is every creature type.)

When Irregular Cohort enters the battlefield, create a 2/2 colorless Shapeshifter creature token with changeling.

({T}: Add {U}.)

({T}: Add {U}.)

({T}: Add {U}.)

Destroy all creatures. You gain life equal to the number of creatures you controlled that were destroyed this way.

As Kindred Boon enters the battlefield, choose a creature type.

{1}{W}: Put a divinity counter on target creature you control of the chosen type.

Each creature you control with a divinity counter on it has indestructible.

Choose a creature type. For each creature you control of the chosen type, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Choose a creature type. Reveal cards from the top of your library until you reveal X creature cards of the chosen type, where X is the number of creatures you control of that type. Put those cards onto the battlefield, then shuffle the rest of the revealed cards into your library.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Exile all nontoken creatures you control, then roll a d20.

1--9 | Return those cards to the battlefield under their owner's control at the beginning of the next end step.

10--20 | Return those cards to the battlefield under their owner's control, then exile them again. Return those cards to the battlefield under their owner's control at the beginning of the next end step.

Creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.)

Equip {0}

{X}, {T}: Search your library for a Rebel permanent card with mana value X or less, put it onto the battlefield, then shuffle.

{3}: Put target Rebel card from your graveyard on the bottom of your library.

{2}, {T}: Copy target activated or triggered ability you control. You may choose new targets for the copy.

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

{4}, {T}: Copy target permanent spell you control. (The copy becomes a token.)

Changeling (This card is every creature type.)

{2}{G}, {T}, Exile a creature card from your graveyard: Put two +1/+1 counters on target creature. Activate only as a sorcery.

Changeling (This card is every creature type.)

When Littjara Kinseekers enters the battlefield, if you control three or more creatures that share a creature type, put a +1/+1 counter on Littjara Kinseekers, then scry 1.

The first spell you cast each turn has cascade. (When you cast your first spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Reveal the top X cards of your library, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. You may put any number of permanent cards from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Sliver creatures you control have "{T}: Add one mana of any color."

Changeling (This card is every creature type.)

When Masked Vandal enters the battlefield, you may exile a creature card from your graveyard. If you do, exile target artifact or enchantment an opponent controls.

Creatures you control are every creature type. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

{3}, {T}: Create a 2/2 blue Shapeshifter creature token with changeling. (It is every creature type.)

{T}: Untap target attacking creature. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

As Metallic Mimic enters the battlefield, choose a creature type.

Metallic Mimic is the chosen type in addition to its other types.

Each other creature you control of the chosen type enters the battlefield with an additional +1/+1 counter on it.

Imprint -- Whenever a nontoken creature dies, you may exile that card. If you do, return each other card exiled with Mimic Vat to its owner's graveyard.

{3}, {T}: Create a token that's a copy of a card exiled with Mimic Vat. It gains haste. Exile it at the beginning of the next end step.

Whenever a nontoken creature enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that creature, except it has haste and "At the beginning of the end step, sacrifice this permanent."

Creatures you control get +1/+1.

Whenever you tap a land for mana, add one mana of any type that land produced.

Changeling (This card is every creature type.)

{X}: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.

Whenever a nontoken creature enters the battlefield under your control, flip a coin until you lose a flip. For each flip you won, create a token that's a copy of that creature. Those tokens gain haste. Exile them at the beginning of the next end step.

Whenever another nontoken artifact enters the battlefield under your control, you may pay {2}. If you do, create a token that's a copy of that artifact.

Changeling (This card is every creature type.)

Flying

{1}{U}: Mistwalker gets +1/-1 until end of turn.

As Molten Echoes enters the battlefield, choose a creature type.

Whenever a nontoken creature of the chosen type enters the battlefield under your control, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

Exile target creature you control, then return it to the battlefield under its owner's control.

Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Changeling (This card is every creature type.)

{B}: Moonglove Changeling gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy that creature.)

Changeling (This card is every creature type.)

As Morophon, the Boundless enters the battlefield, choose a creature type.

Spells of the chosen type you cast cost {W}{U}{B}{R}{G} less to cast. This effect reduces only the amount of colored mana you pay.

Other creatures you control of the chosen type get +1/+1.

Destroy target creature or enchantment.

Changeling (This card is every creature type.)

Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn.

({T}: Add {R}.)

({T}: Add {R}.)

({T}: Add {R}.)

When Myr Battlesphere enters the battlefield, create four 1/1 colorless Myr artifact creature tokens.

Whenever Myr Battlesphere attacks, you may tap X untapped Myr you control. If you do, Myr Battlesphere gets +X/+0 until end of turn and deals X damage to the player or planeswalker it's attacking.

You may look at the top card of your library any time.

You may cast Cleric, Rogue, Warrior, and Wizard spells from the top of your library.

At the beginning of combat on your turn, if you have a full party, put a +1/+1 counter on each creature you control and those creatures gain deathtouch until end of turn.

Whenever a nontoken Zombie enters the battlefield under your control, create a token that's a copy of that creature.

Counter target noncreature spell.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)

As Obelisk of Urd enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +2/+2.

Draw cards equal to the highest mana value among artifacts you control.

Changeling

Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents.

When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.

Artifacts you control have hexproof.

At the beginning of your upkeep, if you control the artifact with the highest mana value or tied for the highest mana value, draw a card.

If an artifact or creature entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.)

({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.

As Pillar of Origins enters the battlefield, choose a creature type.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

Until end of turn, each creature target player controls loses all abilities and becomes a blue Frog with base power and toughness 1/1.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

As Primal Beyond enters the battlefield, you may reveal an Elemental card from your hand. If you don't, Primal Beyond enters the battlefield tapped.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast an Elemental spell or activate an ability of an Elemental.

Lands you control are every basic land type in addition to their other types.

You may have Progenitor Mimic enter the battlefield as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature."

Destroy target artifact or creature. It can't be regenerated.

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

Jump-start (You may cast this card from your graveyard by discarding a card in addition to paying its other costs. Then exile this card.)

Return each creature card with mana value X or less from your graveyard to the battlefield. Exile those creatures at the beginning of your next upkeep. Exile Rally the Ancestors.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Changeling (This card is every creature type.)

As Realmwalker enters the battlefield, choose a creature type.

You may look at the top card of your library any time.

You may cast creature spells of the chosen type from the top of your library.

({2/W} can be paid with any two mana or with {W}. This card's mana value is 10.)

Other Scarecrow creatures you control get +1/+1.

Whenever another Scarecrow enters the battlefield under your control, destroy target permanent.

{T}: Add one mana of any type that a land you control could produce.

As Reflections of Littjara enters the battlefield, choose a creature type.

Whenever you cast a spell of the chosen type, copy that spell. (A copy of a permanent spell becomes a token.)

You have no maximum hand size.

{T}: Add {C}.

As Riptide Replicator enters the battlefield, choose a color and a creature type.

Riptide Replicator enters the battlefield with X charge counters on it.

{4}, {T}: Create an X/X creature token of the chosen color and type, where X is the number of charge counters on Riptide Replicator.

Whenever Risen Reef or another Elemental enters the battlefield under your control, look at the top card of your library. If it's a land card, you may put it onto the battlefield tapped. If you don't put the card onto the battlefield, put it into your hand.

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 pay {0} rather than pay the mana cost for Zombie creature spells you cast.

Draw cards equal to the highest mana value among permanents you control.

{1}, Sacrifice a Scarecrow: Draw a card.

{4}, {T}: Return target artifact creature card from your graveyard to the battlefield.

Whenever Scaretiller becomes tapped, choose one --

• You may put a land card from your hand onto the battlefield tapped.

• Return target land card from your graveyard to the battlefield tapped.

As Secluded Glen enters the battlefield, you may reveal a Faerie card from your hand. If you don't, Secluded Glen enters the battlefield tapped.

{T}: Add {U} or {B}.

Exile any number of target creatures and/or planeswalkers you control. At the beginning of the next end step, return each of them to the battlefield under its owner's control. Each of them enters the battlefield with an additional +1/+1 counter on it if it's a creature and an additional loyalty counter on it if it's a planeswalker.

Changeling (This card is every creature type.)

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

Search your library for a Plains card, an Island card, a Swamp card, and a Mountain card. Reveal those cards, put them into your hand, then shuffle.

Whenever a creature you control attacks, it gets +1/+0 until end of turn for each other attacking creature that shares a creature type with it.

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

Changeling (This card is every creature type.)

{1}{B}: Regenerate Skeletal Changeling.

{T}: Add {C}{C}.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on Soulherder.

At the beginning of your end step, you may exile another target creature you control, then return that card to the battlefield under its owner's control.

You draw X cards and you lose X life, where X is the mana value of a commander you own on the battlefield or in the command zone.

{2}, {T}: Copy target triggered ability you control. You may choose new targets for the copy. (A triggered ability uses the words "when," "whenever," or "at.")

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.)

Until end of turn, creatures target player controls lose all abilities and have base power and toughness 0/2.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

{T}: Add {C}.

{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control.)

Equip {1}

Exile target creature. Its controller gains life equal to its power.

Changeling (This card is every creature type.)

Whenever an opponent casts a spell, you may put a +1/+1 counter on Taurean Mauler.

Exile target permanent you control. Return that card to the battlefield under its owner's control at the beginning of the next end step. If it enters the battlefield as a creature, it enters with an additional +1/+1 counter on it.

At the beginning of your end step, exile up to one target artifact or creature you control, then return that card to the battlefield under its owner's control.

{T}: Add {C}{C}. Activate only if you control five or more lands.

The World Tree enters the battlefield tapped.

{T}: Add {G}.

As long as you control six or more lands, lands you control have "{T}: Add one mana of any color."

{W}{W}{U}{U}{B}{B}{R}{R}{G}{G}, {T}, Sacrifice The World Tree: Search your library for any number of God cards, put them onto the battlefield, then shuffle.

You have no maximum hand size.

{T}: Add {C}.

Put onto the battlefield under your control all creature cards in all graveyards that were put there from the battlefield this turn.

Return a creature you control to its owner's hand, then destroy all creatures.

Timeless Lotus enters the battlefield tapped.

{T}: Add {W}{U}{B}{R}{G}.

Changeling (This card is every creature type.)

{1}{U}: Switch Turtleshell Changeling's power and toughness until end of turn.

As Unclaimed Territory enters the battlefield, choose a creature type.

{T}: Add {C}.

{T}: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type.

Enchant creature

When enchanted creature dies, return that card to the battlefield under your control with a +1/+1 counter on it.

Changeling (This card is every creature type.)

Changeling (This card is every creature type.)

Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {1}.

As Urza's Incubator enters the battlefield, choose a creature type.

Creature spells of the chosen type cost {2} less to cast.

Exile target nonland permanent.

This spell costs {1} less to cast for each creature type among creatures you control. This effect can't reduce the amount of mana this spell costs by more than {5}.

Changeling (This card is every creature type.)

Double strike

As Vanquisher's Banner enters the battlefield, choose a creature type.

Creatures you control of the chosen type get +1/+1.

Whenever you cast a creature spell of the chosen type, draw a card.

You may cast spells as though they had flash.

Changeling (This card is every creature type.)

Deathtouch

Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.)

As Wanderwine Hub enters the battlefield, you may reveal a Merfolk card from your hand. If you don't, Wanderwine Hub enters the battlefield tapped.

{T}: Add {W} or {U}.

Changeling (This card is every creature type.)

{R}: War-Spike Changeling gains first strike until end of turn.

Changeling (This card is every creature type.)

Reach

When Webweaver Changeling enters the battlefield, if there are three or more creature cards in your graveyard, you gain 5 life.

Return all creatures to their owners' hands except for Krakens, Leviathans, Octopuses, and Serpents.

Changeling (This card is every creature type.)

Until end of turn, target creature has base power and toughness 4/4, gains all creature types, and gains flying.

Changeling (This card is every creature type.)

As Xenograft enters the battlefield, choose a creature type.

Each creature you control is the chosen type in addition to its other types.

Deathtouch, lifelink

If a permanent entering the battlefield causes a triggered ability of a permanent you control to trigger, that ability triggers an additional time.

Whenever you tap a land for mana, add one mana of any type that land produced. (The types of mana are white, blue, black, red, green, and colorless.)

Whenever you cast a creature spell, draw a card.