{T}: Add {C}. {3}, {T}: Target creature with power 3 or less can't be blocked this turn.

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

({T}: Add {U}.)

({T}: Add {W}.)

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

When this artifact enters, draw a card. {1}, {T}, Sacrifice this artifact: Target creature can't attack or block this turn.

Whenever another permanent you control enters, each opponent mills a card.

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

This artifact doesn't untap during your untap step. {T}: Add {C}{C}{C}. {3}: Untap this artifact.

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

When this artifact enters or is put into a graveyard from the battlefield, draw a card.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

{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.)

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

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

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

When this artifact enters, destroy target permanent. When this artifact is put into a graveyard from the battlefield, return it to its owner's hand.

{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.")

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

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

When this creature enters, gain control of target permanent. At the beginning of your end step, if you control three or more permanents you don't own, draw three cards.

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

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

Flying When this creature enters, you gain 2 life and draw two cards.

Flying When this creature enters, for each opponent, you may cast up to one target instant or sorcery card from that player's graveyard without paying its mana cost. If a spell cast this way would be put into a graveyard, exile it instead.

Devoid (This card has no color.) {2}{C}: Exile another target creature, then return it to the battlefield tapped under its owner's control. ({C} represents colorless mana.)

Flying When this creature enters, you gain 3 life and draw a card.

When this creature enters, you may exile another target permanent you control, then return that card to the battlefield under its owner's control.

Flying When this creature enters, exile another target permanent. Return that card to the battlefield under its owner's control at the beginning of the next end step.

Protection from red When Lavinia enters, detain each nonland permanent your opponents control with mana value 4 or less. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

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

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.)

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

When this creature enters, return target creature an opponent controls to its owner's hand. That creature's owner can't cast spells with the same name as that creature until your next turn.

Flash Flying When this creature enters, you may exile target non-Angel creature you control, then return that card to the battlefield under your control.

As this creature enters, you may choose a nonland permanent. Activated abilities of the chosen permanent can't be activated. This creature has all activated abilities of the chosen permanent except for loyalty abilities. You may spend mana as though it were mana of any color to activate those abilities.

Whenever a creature is exiled from the battlefield, put a +1/+1 counter on this creature. 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 may have this creature enter as a copy of a creature or planeswalker you control, except it enters with an additional +1/+1 counter on it if it's a creature, it enters with an additional loyalty counter on it if it's a planeswalker, and it isn't legendary.

When this creature enters, draw a card.

When this creature enters, target opponent skips their next combat phase.

Vigilance Whenever this creature enters or attacks, you may return target permanent card with mana value 3 or less from your graveyard to the battlefield.

When this creature enters, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on top of your library and the rest on the bottom of your library in a random order. If X is greater than or equal to the number of cards in your library, you win the game. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.)

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.

When this creature enters, you may search your library for an artifact card with mana value 2, reveal that card, put it into your hand, then shuffle.

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.

Defender When this creature enters, draw a card.

When this creature enters, create two 1/1 colorless Thopter artifact creature tokens with flying. Tap two untapped artifacts you control: Target creature can't be blocked this turn.

Flash (You may cast this spell any time you could cast an instant.) When this enchantment enters, scry 2, then draw a card. {2}{U}, Sacrifice this enchantment: Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

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

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.

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

Counter target spell.

Counter target instant spell.

This spell can't be countered. Counter target noncreature spell.

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.

Search your library for an artifact or enchantment card, reveal it, then shuffle and put that card on top.

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

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.)

Search your library for an instant or sorcery card, reveal it, then shuffle and put that card on top.

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

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

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)

Counter target enchantment, instant, or sorcery spell. Its controller creates a 2/2 blue Bird creature token with flying.

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