Keyword: Flash

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flash
Flying
Whenever this creature mutates, destroy target creature or planeswalker an opponent controls.

Flash
Enchant creature
Enchanted creature gets -2/-0 and loses all abilities. (Mutating onto the creature won’t give it new abilities. It can gain abilities in other ways.)

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flash
Whenever this creature deals combat damage to a player, draw a card.

Flash

Flash
Whenever you cast another spell that has flash, you draw a card and each opponent loses 1 life.

Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)
Flash
Flying
Whenever this creature mutates, destroy target creature or planeswalker an opponent controls.

Flash
, , Sacrifice Springjaw Trap: It deals 3 damage to any target.

Flash
Flying
Cycling (, Discard this card: Draw a card.)
When you cycle Nimble Obstructionist, counter target activated or triggered ability you don’t control.

Flash
When Dualcaster Mage enters the battlefield, copy target instant or sorcery spell. You may choose new targets for the copy.

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

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

Flash
When Portal Mage enters the battlefield during the declare attackers step, you may reselect which player or planeswalker target attacking creature is attacking. (It can’t attack its controller or its controller’s planeswalkers.)

Flash
When Garna, the Bloodflame enters the battlefield, return to your hand all creature cards in your graveyard that were put there from anywhere this turn.
Other creatures you control have haste.

Flash
Flying
, Pay 1 life: Return Wydwen, the Biting Gale to its owner’s hand.

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
When Omen of the Sun enters the battlefield, create two 1/1 white Human Soldier creature tokens and you gain 2 life.
, Sacrifice Omen of the Sun: Scry 2.

Flash
Flying
When Threnody Singer enters the battlefield, target creature an opponent controls gets -X/-0 until end of turn, where X is your devotion to blue. (Each in the mana costs of permanents you control counts toward your devotion to blue.)

Flash
Flying
Spells you cast with converted mana cost 5 or greater cost less to cast and can’t be countered.

Flash
Flying

Flash
When Omen of the Sea enters the battlefield, scry 2, then draw a card.
, Sacrifice Omen of the Sea: Scry 2.

Flash
When Ashiok’s Forerunner enters the battlefield, you may search your library and/or graveyard for a card named Ashiok, Sculptor of Fears, reveal it, and put it into your hand. If you search your library this way, shuffle it.

Flash
When Omen of the Hunt enters the battlefield, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.
, Sacrifice Omen of the Hunt: Scry 2.

Flash
When Omen of the Dead enters the battlefield, return target creature card from your graveyard to your hand.
, Sacrifice Omen of the Dead: Scry 2.

Flash
Defender

Flash
Flying
Spells you cast with converted mana cost 5 or greater cost less to cast and can’t be countered.