When A Killer Among Us enters, create a 1/1 white Human creature token, a 1/1 blue Merfolk creature token, and a 1/1 red Goblin creature token. Then secretly choose Human, Merfolk, or Goblin.

Sacrifice A Killer Among Us, Reveal the creature type you chose: If target attacking creature token is the chosen type, put three +1/+1 counters on it and it gains deathtouch until end of turn.

Flash

You may have Activated Sleeper enter as a copy of any creature card in a graveyard that was put there from the battlefield this turn, except it's a Phyrexian in addition to its other types.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Whenever Adrestia attacks, if an Assassin crewed it this turn, draw a card. Adrestia becomes an Assassin in addition to its other types until end of turn.

Crew 1

This spell can't be countered.

Green spells you control can't be countered.

: Until end of turn, each Elf creature you control has base power and toughness 5/5 and becomes a Dinosaur in addition to its other creature types.

Whenever a creature you control attacks alone, it gets +X/+X until end of turn, where X is the number of card types among cards in all graveyards.

Lhurgoyf creatures you control have trample.

Equipped creature gets +3/+0 and is every creature type.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flying

Delirium — Whenever Angel of Deliverance deals damage, if there are four or more card types among cards in your graveyard, exile target creature an opponent controls.

Enchant creature

Enchanted creature gets +4/+4, has flying and first strike, and is an Angel in addition to its other types.

When enchanted creature dies, return Angelic Destiny to its owner's hand.

Flash

Enchant instant or sorcery spell on the stack

When CARDNAME becomes attached to an instant or sorcery, put that card onto the battlefield under its owner's control. It's a creature in addition to its other types with power and toughness each equal to its converted mana cost.

When CARDNAME leaves the battlefield, enchanted card's owner sacrifices it unless they cast it.

As An-Zerrin Ruins enters, choose a creature type.

Creatures of the chosen type don't untap during their controllers' untap steps.

Whenever you crank Applied Aeronautics, until end of turn, target creature gets +1/+0, gains flying, and becomes an artifact in addition to its other types.

Flying

Inspired — Whenever Arbiter of the Ideal becomes untapped, reveal the top card of your library. If it's an artifact, creature, or land card, you may put it onto the battlefield with a manifestation counter on it. That permanent is an enchantment in addition to its other types.

+1: Create a 1/1 white Soldier creature token with lifelink.

−2: Put two +1/+1 counters on target creature. It becomes an Angel in addition to its other types and gains flying.

−6: Return all nonland permanent cards with mana value 3 or less from your graveyard to the battlefield.

When Arterial Alchemy enters, create a Blood token for each opponent you have. (It's an artifact with ", , Discard a card, Sacrifice this artifact: Draw a card.")

Blood tokens you control are Equipment in addition to their other types and have "Equipped creature gets +2/+0" and equip .

Domain — Artillery Blast deals X damage to target tapped creature, where X is 1 plus the number of basic land types among lands you control.

Ashaya, Soul of the Wild's power and toughness are each equal to the number of lands you control.

Nontoken creatures you control are Forest lands in addition to their other types. (They're still affected by summoning sickness.)

+2: Exile the top three cards of target opponent's library.

−X: Put a creature card with mana value X exiled with Ashiok, Nightmare Weaver onto the battlefield under your control. That creature is a Nightmare in addition to its other types.

−10: Exile all cards from all opponents' hands and graveyards.

Target creature card in your graveyard perpetually gains ", Exile this card from your graveyard: Shuffle it into your library. Create a token that's a copy of it, except it's a 4/4 black Zombie in addition to its other types. Activate only as a sorcery."

Flying, vigilance, deathtouch, lifelink

When Atraxa, Grand Unifier enters, reveal the top ten cards of your library. For each card type, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order. (Artifact, battle, creature, enchantment, instant, land, planeswalker, and sorcery are card types.)

Whenever you crank Auto-Key, until end of turn, target creature becomes an artifact in addition to its other types and gains ": You gain 3 life."

Changeling (This card is every creature type.)

Flying

, : Choose a land type. Target creature you control gains snow landwalk of the chosen type until end of turn. Return that creature to its owner's hand at the beginning of the next end step. (It can't be blocked as long as defending player controls a snow land of that type.)

Deathtouch, lifelink

Barrowgoyf's power is equal to the number of card types among cards in all graveyards and its toughness is equal to that number plus 1.

Whenever Barrowgoyf deals combat damage to a player, you may mill that many cards. If you do, you may put a creature card from among them into your hand.

Choose target creature you control and target creature an opponent controls.

Delirium — If there are four or more card types among cards in your graveyard, put two +1/+1 counters on the creature you control.

The creature you control deals damage equal to its power to the creature an opponent controls.

During your turn, each non-Equipment artifact and non-Aura enchantment you control with mana value 4 or greater is a 4/4 Elemental creature in addition to its other types and has indestructible, haste, and "Whenever this creature deals combat damage to a player, draw a card."

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

Menace

Equipped creature has base power and toughness 5/5, has menace, and is a black Demon in addition to its other colors and types.

Reconfigure (: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

Choose a card type. Target opponent reveals their hand. Blood Oath deals 3 damage to that player for each card of the chosen type revealed this way. (Artifact, battle, creature, enchantment, instant, kindred, land, planeswalker, and sorcery are card types.)

Changeling (This card is every creature type.)

As Bloodline Pretender enters, choose a creature type.

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

Domain — When Bortuk Bonerattle enters, if you cast it, choose target creature card in your graveyard. Return that card to the battlefield if its mana value is less than or equal to the number of basic land types among lands you control. Otherwise, put it into your hand.

At the beginning of your end step, you may sacrifice an artifact, creature, enchantment, land, or planeswalker. If you do, each opponent may sacrifice a permanent that shares a card type with it. For each opponent who doesn't, that player loses 2 life and you draw a card.

Each player mills ten cards. For each player, choose a creature or planeswalker card in that player's graveyard. Put those cards onto the battlefield under your control. Then each creature you control becomes a Phyrexian in addition to its other types.

Trample

Domain — Whenever Briar Hydra deals combat damage to a player, put X +1/+1 counters on target creature you control, where X is the number of basic land types among lands you control.

Equipped creature has ward , is an Assassin in addition to its other types, and can't be blocked.

Equip legendary creature

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Menace (This creature can't be blocked except by two or more creatures.)

Tunnel Snakes Rule — Whenever Butch DeLoria, Tunnel Snake attacks, it gets +1/+1 until end of turn for each other Rogue and/or Snake you control.

: Put a menace counter on another target creature. It becomes a Rogue in addition to its other types.

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 nonblack creature

Enchanted creature gets +1/+2, has flying, and is an Angel in addition to its other types.

As an additional cost to cast this spell, choose a creature type.

Caller of the Hunt's power and toughness are each equal to the number of creatures of the chosen type on the battlefield.

Equipped creature gets +2/+0, has menace, and is a Pirate in addition to its other creature types.

Whenever Captain's Hook becomes unattached from a permanent, destroy that permanent.

Equip

When this Case enters, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

To solve — You control three or more artifacts. (If unsolved, solve at the beginning of your end step.)

Solved — , Sacrifice this Case: Put four +1/+1 counters on target noncreature artifact. It becomes a 0/0 Bird creature with flying in addition to its other types.

As Cavern of Souls enters, choose a creature type.

: Add .

: Add one mana of any color. Spend this mana only to cast a creature spell of the chosen type, and that spell can't be countered.

All Nightmares get +1/+1.

, Pay 3 life: Put target creature card from a graveyard onto the battlefield under your control. That creature is black and is a Nightmare in addition to its other creature types.

When Chainer, Dementia Master leaves the battlefield, exile all Nightmares.

Changeling (This card is every creature type.)

Haste

Champion a creature (When this enters, 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.)

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

Changeling (This card is every creature type.)

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

Exile up to one target artifact, up to one target creature, up to one target enchantment, up to one target planeswalker, and/or up to one target land. For each permanent exiled this way, its controller reveals cards from the top of their library until they reveal a card that shares a card type with it, puts that card onto the battlefield, then shuffles.

Bear Form — During your turn, Circle of the Moon Druid is a Bear with base power and toughness 4/2. (It loses all other creature types.)

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

Spells you cast of the chosen type cost less to cast.

Each creature gets +1/+1 for each other creature on the battlefield that shares at least one creature type with it. (For example, if two Goblin Warriors and a Goblin Shaman are on the battlefield, each gets +2/+2.)

Whenever Coercive Recruiter or another Pirate you control enters, gain control of target creature until end of turn. Untap that creature. Until end of turn, it gains haste and becomes a Pirate in addition to its other types.