Keyword: Flash

Flash
This spell can’t be countered.
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
Return three lands you control to their owner’s hand: Return Pearl Lake Ancient to its owner’s hand.

Flash
This spell can’t be countered.
Creature spells you control can’t be countered.
Other creatures you control have trample.

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.)
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

Flash
At the beginning of each player’s draw step, that player draws an additional card.

Flash
Flying
Creatures entering the battlefield don’t cause abilities to trigger.

Flash (You may cast this spell any time you could cast an instant.)
Flying
When Quickling enters the battlefield, sacrifice it unless you return another creature you control to its owner’s hand.

Flash
Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

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 (You may cast this spell any time you could cast an instant.)
Enchant creature
Enchanted creature gets +2/+2 and attacks each combat if able.

Flash
At the beginning of each player’s draw step, that player draws an additional card.

Flash
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

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.)
Flying, deathtouch
: Monstrosity 3. (If this creature isn’t monstrous, put three +1/+1 counters on it and it becomes monstrous.)

Flash
Creatures you control get +2/+2.

Flash
Whenever a creature you control dies, each opponent sacrifices a creature.

Flash
Whenever a player taps a land for mana, that player adds one mana of any type that land produced.

Flash
At the beginning of each player’s draw step, that player draws an additional 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.)
Flying
Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Flash (You may cast this spell any time you could cast an instant.)
, Sacrifice Leonin Bladetrap: It deals 2 damage to each attacking creature without flying.

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
Flying, trample
Whenever you draw a card, you gain 1 life.

Flash
Bestow (If you cast this card for its bestow cost, it’s an Aura spell with enchant creature. It becomes a creature again if it’s not attached to a creature.)
Enchanted creature gets +4/+2.