Pioneer / Post-Modern Era

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

Counter target spell unless its controller pays {1} for each card in your graveyard. Cycling {2} ({2}, Discard this card: Draw a card.)

{1}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on Benthic ...

When Aquatic Incursion enters the battlefield, create two 1/1 blue Merfolk creature tokens with hexproof. (They can't be the targets of spells or a...

Whenever you cast a noncreature spell, create an X/X blue Shark creature token with flying, where X is that spell's mana value. Cycling {X}{1}{U} ...

Create a token that's a copy of target permanent. If {R}{G} was spent to cast this spell, instead create a token that's a copy of that permanent, e...

Whenever you cast your first spell during each opponent's turn, draw a card.

When Champion of Wits enters the battlefield, you may draw cards equal to its power. If you do, discard two cards. Eternalize {5}{U}{U} ({5}{U}{U}...

Raid — If you attacked this turn, you may pay {U} rather than pay this spell's mana cost. Counter target spell.

[+1]: Put two +1/+1 counters on up to one target creature you control. [0]: Until end of turn, Oko, the Trickster becomes a copy of target creature...

Flash Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.

Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

When Thassa's Oracle enters the battlefield, look at the top X cards of your library, where X is your devotion to blue. Put up to one of them on to...

Choose one — • Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random...

Constellation — Whenever an enchantment enters the battlefield under your control, you may have Protean Thaumaturge become a copy of another target...

Whenever you draw a card, you may pay {1}. If you do, put a +1/+1 counter on Nadir Kraken and create a 1/1 blue Tentacle creature token.

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. ...

Mutate {3}{R/G}{U}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

Flash Flying

Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

When Teferi's Tutelage enters the battlefield, draw a card, then discard a card. Whenever you draw a card, target opponent mills two cards. (They ...

If you would draw a card except the first one you draw in each of your draw steps, draw two cards instead.

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. [+1]: Draw a card, then disc...

You may activate loyalty abilities of Teferi, Master of Time on any player's turn any time you could cast an instant. [+1]: Draw a card, then disc...