Keyword: Flash

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.)
Flying

Flash (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature has “: This creature gets +2/+0 until end of turn.”

Flash (You may cast this spell any time you could cast an instant.)
When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn.

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Hollowhenge Spirit enters the battlefield, remove target attacking or blocking creature from combat.

Flash
Deathtouch

Flash (You may cast this spell any time you could cast an instant.)
When Village Bell-Ringer enters the battlefield, untap all creatures you control.

Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Flash
When Fleetfoot Panther enters the battlefield, return a green or white creature you control to its owner’s hand.

Flash
When Briarhorn enters the battlefield, target creature gets +3/+3 until end of turn.
Evoke (You may cast this spell for its evoke cost. If you do, it’s sacrificed when it enters the battlefield.)

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
Flying
When Vendilion Clique enters the battlefield, look at target player’s hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of their library, then draws a card.

Flash
Defender, flying

Flash (You may cast this spell any time you could cast an instant.)
Vigilance
Indestructible (Damage and effects that say “destroy” don’t destroy this creature. If its toughness is 0 or less, it’s still put into its owner’s graveyard.)

Flash (You may cast this spell any time you could cast an instant.)
When Deceiver Exarch enters the battlefield, choose one —
• Untap target permanent you control.
• Tap target permanent an opponent controls.

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

Flash
Flying
When Bogardan Hellkite enters the battlefield, it deals 5 damage divided as you choose among any number of targets.

Flash (You may cast this spell any time you could cast an instant.)
When Bogardan Rager enters the battlefield, target creature gets +4/+0 until end of turn.

Flash
You may cast artifact spells as though they had flash.

Flash
Flying
When Spellstutter Sprite enters the battlefield, counter target spell with converted mana cost X or less, where X is the number of Faeries you control.

Flash
Flying
When Vendilion Clique enters the battlefield, look at target player’s hand. You may choose a nonland card from it. If you do, that player reveals the chosen card, puts it on the bottom of their library, then draws a card.

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 (You may cast this spell any time you could cast an instant.)
Vigilance
Indestructible (Damage and effects that say “destroy” don’t destroy this creature. If its toughness is 0 or less, it’s still put into its owner’s graveyard.)

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.)
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.