Keyword: Flash

Flash
When Cast Out enters, exile target nonland permanent an opponent controls until Cast Out leaves the battlefield.
Cycling (, Discard this card: Draw a card.)

Flash
Enchant creature you control
As long as Shardmage’s Rescue entered this turn, enchanted creature has hexproof.
Enchanted creature gets +1/+1.

Flash
Enchant creature
Enchanted creature gets +2/+2 and has trample.

Flash
When Fear of Impostors enters, counter target spell. Its controller manifests dread. (That player looks at the top two cards of their library, then puts one onto the battlefield face down as a 2/2 creature and the other into their graveyard. If it’s a creature card, it can be turned face up any time for its mana cost.)

Flash
Whenever a creature you control deals combat damage to a player, draw a card.
When Enduring Curiosity dies, if it was a creature, return it to the battlefield under its owner’s control. It’s an enchantment. (It’s not a creature.)

Flash
Eerie — Whenever an enchantment you control enters and whenever you fully unlock a Room, draw a card.

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.)
Double strike
Other tapped creatures you control have hexproof.

Flash
When Nowhere to Run enters, target creature an opponent controls gets -3/-3 until end of turn.
Creatures your opponents control can be the targets of spells and abilities as though they didn’t have hexproof. Ward abilities of those creatures don’t trigger.

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.)
Double strike
Other tapped creatures you control have hexproof.

Flash
Whenever Appendage Amalgam attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Flash
You may cast noncreature spells as though they had flash.
Whenever you cast a noncreature spell, Birds, Frogs, Otters, and Rats you control get +1/+1 until end of turn. Untap them.

Flash
When Downwind Ambusher enters, choose one —
• Target creature an opponent controls gets -1/-1 until end of turn.
• Destroy target creature an opponent controls that was dealt damage this 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.

Flash
Flying
When Plumecreed Escort enters, target creature you control gains hexproof until end of turn.

Flash
Valiant — Whenever Mouse Trapper becomes the target of a spell or ability you control for the first time each turn, tap target creature an opponent controls.

Flash
Vigilance, reach, trample

Flash (You may cast this spell any time you could cast an instant.)
Whenever Illusory Ambusher is dealt damage, draw that many cards.

Flash
Enchant creature or Food
Enchanted permanent is a colorless Food artifact with “, , Sacrifice this artifact: You gain 3 life” and loses all other card types and abilities.

Flash
You may cast noncreature spells as though they had flash.
Whenever you cast a noncreature spell, Birds, Frogs, Otters, and Rats you control get +1/+1 until end of turn. Untap them.

Flash
Enchant creature
When Feather of Flight enters, draw a card.
Enchanted creature gets +1/+0 and has flying.

Flash
Flying
Whenever Salvation Swan or another Bird you control enters, exile up to one target creature you control without flying. Return it to the battlefield under its owner’s control with a flying counter on it at the beginning of the next end step.

Flash
This spell costs less to cast for each instant and sorcery card in your graveyard.
Eddymurk Crab enters tapped if it’s not your turn.
When Eddymurk Crab enters, tap up to two target creatures.

Flash
Flying
Whenever Salvation Swan or another Bird you control enters, exile up to one target creature you control without flying. Return it to the battlefield under its owner’s control with a flying counter on it at the beginning of the next end step.

Flash (You may cast this spell any time you could cast an instant.)