Keyword: Flash

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Crookclaw Transmuter enters the battlefield, switch target creature’s power and toughness until end of turn.

Flash
Flying
If an opponent would search a library, that player searches the top four cards of that library instead.

Flash (You may cast this spell any time you could cast an instant.)
Flying, protection from blue
Return a Forest you control to its owner’s hand: Untap target creature. Activate this ability only once each turn.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets -2/-1.

Flash; convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature’s color.)
Flying
When Angel of Salvation enters the battlefield, prevent the next 5 damage that would be dealt this turn to any number of targets, divided as you choose.

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Draining Whelk enters the battlefield, counter target spell. Put X +1/+1 counters on Draining Whelk, where X is that spell’s converted mana cost.

Flash (You may cast this spell any time you could cast an instant.)
When Muck Drubb enters the battlefield, change the target of target spell that targets only a single creature to Muck Drubb.
Madness (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)

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

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Stonecloaker enters the battlefield, return a creature you control to its owner’s hand.
When Stonecloaker enters the battlefield, exile target card from a graveyard.

Flash
If a nontoken creature would enter the battlefield and it wasn’t cast, exile it instead.

Flash (You may cast this spell any time you could cast an instant.)
Split second (As long as this spell is on the stack, players can’t cast spells or activate abilities that aren’t mana abilities.)
White creatures get +1/-1.

Flash (You may cast this spell any time you could cast an instant.)
Split second (As long as this spell is on the stack, players can’t cast spells or activate abilities that aren’t mana abilities.)
Flying
Other white creatures get +1/+1.

Flash (You may cast this spell any time you could cast an instant.)
When Whitemane Lion enters the battlefield, return a creature you control to its owner’s hand.

Flash (You may cast this spell any time you could cast an instant.)
Creature cards you own that aren’t on the battlefield have flash.
Each opponent can cast spells only any time they could cast a sorcery.

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has shadow. (It can block or be blocked by only creatures with shadow.)
Prevent all damage that would be dealt by enchanted creature.

Flash
Flying
When Glorious Protector enters the battlefield, you may exile any number of non-Angel creatures you control until Glorious Protector leaves the battlefield.
Foretell

Flash
Flying
Foretelling cards from your hand costs less and can be done on any player’s turn.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flash
Flying
Foretelling cards from your hand costs less and can be done on any player’s turn.
Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Flash
Undersea Invader enters the battlefield tapped.

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

Flash (You may cast this spell any time you could cast an instant.)
Flying
Other creatures you control with flying get +1/+1.

Flash
Flying
When Glorious Protector enters the battlefield, you may exile any number of non-Angel creatures you control until Glorious Protector leaves the battlefield.
Foretell

Flash
Flying
When Ice-Fang Coatl enters the battlefield, draw a card.
Ice-Fang Coatl has deathtouch as long as you control at least three other snow permanents.

Flash
First strike, protection from God creatures
When Sigrid, God-Favored enters the battlefield, exile up to one target attacking or blocking creature until Sigrid leaves the battlefield.

Flash
When Brinebarrow Intruder enters the battlefield, target creature an opponent controls gets -2/-0 until end of turn.