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

{1}, {T}: Add {U}{B}.

This land enters tapped unless you control an Island or a Swamp. {T}: Add {U} or {B}.

{T}: Add {C}. {T}: Each player gains control of all creatures they own.

({T}: Add {U}.)

You have no maximum hand size. {T}: Add {C}.

({T}: Add {U} or {B}.) This land enters tapped unless you control two or more basic lands.

({T}: Add {B}.)

{T}: Add {C}. {T}: Add {U} or {B}. Activate only if you control a Swamp.

No more than two creatures can attack you each combat.

Enchant creature Shroud (A permanent with shroud can't be the target of spells or abilities.) Enchanted creature has shroud.

Whenever a creature deals damage to you, destroy it.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Draw three cards, then put two cards from your hand on top of your library in any order.

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

This artifact enters tapped. {T}: Add {B}.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{1}, {T}: Add {U}{B}.

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

Creature spells you cast cost {2} less to cast. Creatures you control get -1/-1.

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

This artifact enters tapped. {T}: Add {U}.

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

Return all attacking creatures to their owner's hand.

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Counter target spell.

Counter target spell with mana value 4 or greater.

Destroy target creature or enchantment an opponent controls. You lose life equal to that permanent's mana value.

Destroy target nonartifact creature.

Change the target of target spell with a single target. You lose life equal to that spell's mana value.

Destroy target creature. You lose 2 life.

Trample Whenever this creature is dealt damage, sacrifice that many permanents.

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

Flying When this creature enters, create a number of 1/1 black Harpy creature tokens with flying equal to your devotion to black. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.) At the beginning of your upkeep, sacrifice a creature.

Trample At the beginning of your upkeep, put a +1/+1 counter on each creature each opponent controls.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.) At the beginning of your upkeep, you lose 2 life.

Changeling (This card is every creature type.) This creature can't block and can't be blocked.

Flying At the beginning of your upkeep, sacrifice a creature other than this creature.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever a player casts a spell, sacrifice a creature.

This creature can't block. Whenever this creature deals combat damage, sacrifice a permanent.

Flying Whenever a player casts a spell, you lose 1 life.

Whenever this creature attacks, you lose half your life, rounded up. Whenever this creature deals combat damage to a player, that player loses half their life, rounded up. Morph {3}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Non-Eye creatures you control can't attack. This creature can't be blocked except by Walls.

Non-Eye creatures you control can't attack. Whenever this creature becomes blocked by a creature, destroy that creature.

Whenever this creature deals damage to a creature or opponent, this creature deals that much damage to you.

If combat damage would be dealt to this creature, prevent that damage and exile that many cards from the top of your library.

At the beginning of your upkeep, sacrifice a permanent. Whenever this creature deals combat damage to a player, that player sacrifices two permanents of their choice.

At the beginning of your upkeep, you lose 2 life. Morph {2}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Whenever this creature attacks, it deals 3 damage to you unless you pay {2}.

Flying, trample At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you. Morph {B}{B}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

Flying, trample At the beginning of your upkeep, sacrifice a creature other than this creature. If you can't, this creature deals 7 damage to you.

At the beginning of your upkeep, discard a card.

Flying At the beginning of your upkeep, sacrifice another artifact. If you can't, tap this creature and you lose 4 life.

When this creature leaves the battlefield, sacrifice a creature.

You can't cast creature spells.

Flying Your maximum hand size is reduced by four.

Flying Your maximum hand size is reduced by three.

This creature can't block and can't be blocked.

Whenever another creature enters, you lose 1 life.

Return all creatures to their owners' hands.

Psychosis Crawler's power and toughness are each equal to the number of cards in your hand. Whenever you draw a card, each opponent loses 1 life.

Untap all creatures you control and all creatures target opponent controls. You and that opponent each gain control of all creatures the other controls until end of turn. Those creatures gain haste until end of turn.