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

Black creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, each opponent loses 1 life and you gain 1 life.

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

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

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

Blue creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, target creature an opponent controls doesn't untap during its controller's next untap step.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

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

When this creature enters, choose one — • Create a 1/1 white Bird creature token with flying. • Return another target nonland permanent to its owner's hand. • Draw a card.

{U}: Exile this creature. Return it to the battlefield under its owner's control at the beginning of the next end step. {U}: This creature can't be blocked this turn. {1}: This creature gets +1/-1 until end of turn. {1}: This creature gets -1/+1 until end of turn.

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

Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.

When this creature enters, each opponent discards a card.

Flying When this creature enters, return a blue or black creature you control to its owner's hand. Pay 1 life: Return this creature to its owner's hand.

When this creature enters, you gain 2 life. When this creature leaves the battlefield, draw a card.

Soulbond (You may pair this creature with another unpaired creature when either enters. 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."

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever a creature deals damage to you, destroy it. When Dread is put into a graveyard from anywhere, shuffle it into its owner's library.

Changeling (This card is every creature type.) When this creature enters, you may return target creature card from your graveyard to your hand.

When this creature enters, each opponent loses X life, where X is your devotion to black. You gain life equal to the life lost this way. (Each {B} in the mana costs of permanents you control counts toward your devotion to black.)

Whenever a creature you control becomes blocked, you may return it to its owner's hand. Whenever one or more creatures you control deal combat damage to a player, draw a card.

Flash This spell can't be countered. Whenever you cast a spell, choose up to one — • Return target spell you don't control to its owner's hand. • Return target nonland permanent to its owner's hand.

When this creature enters, you may goad target creature. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Flying When this creature enters, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

{3}{U}, {T}: Exile another target creature you control, then return that card to the battlefield under your control.

Flash If an opponent would draw a card except the first one they draw in each of their draw steps, instead that player skips that draw and you draw a card.

Flying When this creature enters, untap up to five lands.

As this creature enters, choose a nonland card name. Activated abilities of sources with the chosen name can't be activated.

Flying When this creature enters, you may search your library for a basic land card, reveal it, put it into your hand, then shuffle.

Flying You can't lose the game and your opponents can't win the game.

When this creature enters, destroy target creature an opponent controls.

Flying When this creature enters, return target permanent to its owner's hand. Suspend 3—{1}{U} (Rather than cast this card from your hand, you may pay {1}{U} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. It has haste.)

When this creature enters, if you control a blue permanent, return target nonland permanent to its owner's hand.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) When this creature enters, return target instant or sorcery card from your graveyard to your hand.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) When this creature enters, destroy target nonartifact, nonblack creature. Evoke {1}{B} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Flying When this creature enters, gain control of target creature for as long as this creature remains on the battlefield.

Indestructible As long as your devotion to blue is less than five, Thassa isn't a creature. At the beginning of your end step, exile up to one other target creature you control, then return that card to the battlefield under your control. {3}{U}: Tap another target creature.

Deathtouch When this creature enters, you become the monarch.

Flash (You may cast this spell any time you could cast an instant.) When Venser enters, return target spell or permanent to its owner's hand.

Whenever a creature becomes the target of a spell or ability, return that creature to its owner's hand. (It won't be affected by the spell or ability.)

Whenever a creature you control becomes blocked, you may return it to its owner's hand.

Cleave {1}{U} (You may cast this spell for its cleave cost. If you do, remove the words in square brackets.) Return target nonland permanent [you control] to its owner's hand.

Until end of turn, target creature gains "{T}: Return target nonland permanent to its owner's hand."

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

Counter target spell.

As an additional cost to cast this spell, return a permanent you control to its owner's hand. Counter target spell.

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

Exile target creature you control, then return that card to the battlefield under its owner's control. If it's a Spirit, put a +1/+1 counter on it.

As an additional cost to cast this spell, return a creature you control to its owner's hand. Counter target spell.

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

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

Destroy target creature. You lose 2 life.

Return target permanent you control to its owner's hand.

Exile target artifact or creature. Its controller creates a 4/4 blue and red Elemental creature token.

Exile target creature you control, then return that card to the battlefield under its owner's control. If a Pirate was exiled this way, draw a card.

Return target creature to its owner's hand. Then that creature's controller may pay {U}{U}. If the player does, they may copy this spell and may choose a new target for that copy.

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

({T}: Add {U} or {B}.) This land enters tapped. Cycling {2} ({2}, Discard this card: Draw a card.)

({T}: Add {U}.)

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {B}.

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

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

({T}: Add {B}.)

({T}: Add {U} or {B}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

{T}: Add {C}. {T}: Add {U} or {B}. This land deals 1 damage to you.

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