Flash (You may cast this spell any time you could cast an instant.) Whenever you cast a spell during an opponent's turn, put a +1/+1 counter on Brineborn Cutthroat.

Flash When Frilled Mystic enters the battlefield, you may counter target spell.

Flash When Mystic Snake enters the battlefield, counter target spell.

Flash Other Wolves and Werewolves you control get +1/+1. At the beginning of your end step, if you didn't cast a spell this turn, create a 2/2 green Wolf creature token.

Flash When Plaxmanta enters the battlefield, creatures you control gain shroud until end of turn. (They can't be the targets of spells or abilities.) When Plaxmanta enters the battlefield, sacrifice it unless {G} was spent to cast it.

Flash (You may cast this spell any time you could cast an instant.) Flying {3}{U}: Draw a card.

Counter target spell.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Counter target creature spell.

You may cast Silver Scrutiny as though it had flash if X is 3 or less. Draw X cards.

Counter target spell. Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

({T}: Add {G}.)

Halimar Depths enters the battlefield tapped. When Halimar Depths enters the battlefield, look at the top three cards of your library, then put them back in any order. {T}: Add {U}.

({T}: Add {U}.)

Temple of Mystery enters the battlefield tapped. When Temple of Mystery enters the battlefield, scry 1. {T}: Add {G} or {U}.

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 Flying Dreamcaller Siren can block only creatures with flying. When Dreamcaller Siren enters the battlefield, if you control another Pirate, tap up to two target nonland permanents.

Flash When Dress Down enters the battlefield, draw a card. Creatures lose all abilities. At the beginning of the end step, sacrifice Dress Down.

Counter target noncreature spell.

Scry 1. Draw a card.

Choose three. You may choose the same mode more than once. • Counter target spell unless its controller pays {3}. • Return target creature to its owner's hand. • Draw a card.