Keyword: Flash

Companion — Each nonland card in your starting deck has a different name. (If this card is your chosen companion, you may put it into your hand from outside the game for any time you could cast a sorcery.)
Flash
When Lutri, the Spellchaser enters the battlefield, if you cast it, copy target instant or sorcery spell you control. You may choose new targets for the copy.

Flash
Spells with flash you cast cost less to cast and can’t be countered.

Flash
When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

Flash
When Blitz Leech enters the battlefield, target creature an opponent controls gets -2/-2 until end of turn. Remove all counters from that creature.

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

Flash
When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

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

Flash
Enchant creature
Enchanted creature gets +1/+2.

Flash
Enchant creature
When Aspect of Manticore enters the battlefield, enchanted creature gains first strike until end of turn.
Enchanted creature gets +2/+0.

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

Flash
When Ashiok’s Erasure enters the battlefield, exile target spell.
Your opponents can’t cast spells with the same name as the exiled card.
When Ashiok’s Erasure leaves the battlefield, return the exiled card to its owner’s hand.

Flash
Enchant creature
When enchanted creature dies, return that card to the battlefield under your control.

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

Flash
When Ashiok’s Erasure enters the battlefield, exile target spell.
Your opponents can’t cast spells with the same name as the exiled card.
When Ashiok’s Erasure leaves the battlefield, return the exiled card to its owner’s hand.

Flash
When Omen of the Forge enters the battlefield, it deals 2 damage to any target.
, Sacrifice Omen of the Forge: Scry 2.

Flash
When Ashiok’s Erasure enters the battlefield, exile target spell.
Your opponents can’t cast spells with the same name as the exiled card.
When Ashiok’s Erasure leaves the battlefield, return the exiled card to its owner’s hand.