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

{T}: Add {W} or {U}. {W}{U}, {T}, Sacrifice this artifact: Draw a card.

{T}: Add {W} or {U}. {W}{U}: This artifact becomes a 2/2 white and blue Bird artifact creature with flying until end of turn.

{T}: Add {W} or {U}. {W/U}{W/U}{W/U}{W/U}, {T}, Sacrifice this artifact: Draw two cards.

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

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

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

Flying When this creature enters, you may exile up to three other target creatures from the battlefield and/or creature cards from graveyards. When this creature leaves the battlefield, return the exiled cards to their owners' hands.

Flying Whenever this creature attacks, detain up to two target nonland permanents your opponents control. (Until your next turn, those permanents can't attack or block and their activated abilities can't be activated.)

Flying Hexproof (This creature can't be the target of spells or abilities your opponents control.)

At the beginning of your upkeep, put a filibuster counter on this creature. Then if this creature has five or more filibuster counters on it, you win the game. Whenever a source deals damage to you, remove a filibuster counter from this creature.

{2}{W}: Tap target creature. {2}{U}: Counter target activated ability. (Mana abilities can't be targeted.)

Vigilance This creature can't be blocked.

Flying, first strike Creatures your opponents control get -1/-0.

Flying Creatures can't attack you.

Vigilance When this creature enters, look at the top three cards of your library, then put one of them into your hand and the rest on the bottom of your library in any order. When this creature enters, sacrifice it unless {W} was spent to cast it.

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

When this creature enters, exile target nonland permanent an opponent controls and all other nonland permanents that player controls with the same name as that permanent until this creature leaves the battlefield.

White spells you cast cost {1} less to cast. Blue spells you cast cost {1} less to cast. Spells your opponents cast cost {1} more to cast.

Flying When this creature enters, target opponent creates a 4/4 black Horror creature token.

Flying Whenever Isperia deals combat damage to a player, choose a card name. That player reveals their hand. If a card with the chosen name is revealed this way, search your library for a creature card with flying, reveal it, put it into your hand, then shuffle.

Flying When this creature enters, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Flying Whenever a creature attacks you or a planeswalker you control, you may draw a card.

Flying, vigilance Whenever this creature attacks, other attacking creatures get +1/+1 until end of turn.

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.)

Each opponent can't cast noncreature spells with mana value greater than the number of lands that player controls. Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell.

Flying When this creature enters, detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

({W/U} can be paid with either {W} or {U}.) {T}: Tap target creature.

{W}{U}: Target creature gains flying until end of turn. {3}{W}{U}: Detain target nonland permanent an opponent controls. (Until your next turn, that permanent can't attack or block and its activated abilities can't be activated.)

Flying This creature gets +1/+1 for each other creature on the battlefield with flying. Forecast — {2}{W}{U}, Reveal this creature from your hand: Create a 1/1 white and blue Bird creature token with flying. (Activate only during your upkeep and only once each turn.)

Flying When this creature enters, scry 1.

{W}, {T}: You gain 2 life. {U}, {T}: Draw a card, then discard a card.

Flying When this creature enters, untap all creatures you control. Forecast — Tap two untapped white and/or blue creatures you control, Reveal this card from your hand: Draw a card. (Activate only during your upkeep and only once each turn.)

Whenever an opponent casts a spell, that player sacrifices a permanent of their choice unless they pay {1}.

You may reveal this card from your opening hand. If you do, scry 3 at the beginning of your first upkeep. Flying At the beginning of your upkeep, scry 1.

Flying, vigilance Spells your opponents cast that target this creature cost {2} more to cast.

Defender (This creature can't attack.) This creature enters with a +1/+1 counter on it. At the beginning of each player's upkeep, that player draws a card for each +1/+1 counter on this creature. {2}{W}{U}: Put a +1/+1 counter on this creature.

When this enchantment enters, you may exile target nonland permanent not named Detention Sphere and all other permanents with the same name as that permanent. When this enchantment leaves the battlefield, return the exiled cards to the battlefield under their owner's control.

({W/U} can be paid with either {W} or {U}.) Whenever a player casts a noncreature spell, counter that spell. That player creates X 1/1 white and blue Bird creature tokens with flying, where X is the spell's mana value.

Flash Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated.

At the beginning of your upkeep, detain target creature an opponent controls. (Until your next turn, that creature can't attack or block and its activated abilities can't be activated.)

Enchant creature Enchanted creature doesn't untap during its controller's untap step. Forecast — {W}{U}, Reveal this card from your hand: Tap target creature. (Activate only during your upkeep and only once each turn.)

Counter target spell. You gain 3 life.

Return target creature to its owner's hand. Addendum — If you cast this spell during your main phase, draw a card.

Choose one — • Creatures you control gain lifelink until end of turn. • Draw a card. • Put target attacking or blocking creature on top of its owner's library.

Put target attacking creature on the bottom of its owner's library. Its controller gains life equal to its toughness.

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

Draw three cards. Addendum — If you cast this spell during your main phase, instead scry 3, then draw three cards.

Counter target spell. Its controller can't cast spells this turn.

Return each creature that dealt damage this turn to its owner's hand.

Draw two cards. Addendum — If you cast this spell during your main phase, you gain 2 life.

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

This land enters tapped. When this land enters, return a land you control to its owner's hand. {T}: Add {W}{U}.

This land enters tapped. {T}: Add {W} or {U}.

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

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

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

({T}: Add {W} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

({T}: Add {U}.)

{T}: Add {C}. {W/U}, {T}: Add {W}{W}, {W}{U}, or {U}{U}.

({T}: Add {W}.)

As this land enters, you may reveal a Plains or Island card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {U}.

{T}: Add {C}. {4}{W}{U}, {T}: Prevent all damage a source of your choice would deal this turn.

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

+1: You gain 2 life and draw a card. −1: Tap target creature. It doesn't untap during its controller's next untap step. −9: Tap all permanents target opponent controls. That player skips their next untap step.

Exile target creature with power 4 or greater.

Each player draws X cards. Forecast — {2}{U}, Reveal this card from your hand: Each player draws a card. (Activate only during your upkeep and only once each turn.)