Singles

When Llawan, Cephalid Empress enters the battlefield, return all blue creatures your opponents control to their owners' hands. Your opponents can'...

Counter target spell unless its controller pays {X}, where X is its mana value.

Counter target instant or sorcery spell. Search its controller's graveyard, hand, and library for all cards with the same name as that spell and ex...

Sacrifice Seal of Removal: Return target creature to its owner's hand.

Enchant creature At the beginning of the upkeep of enchanted creature's controller, that player sacrifices that creature unless they pay {2}. Whe...

Sacrifice Hapless Researcher: Draw a card, then discard a card.

{3}, {T}: Search your library for a Merfolk permanent card, put it onto the battlefield, then shuffle.

Defender (This creature can't attack.) {4}: Return Quicksilver Wall to its owner's hand. Any player may activate this ability.

Enchant creature At the beginning of your upkeep, you may put a page counter on Private Research. When enchanted creature dies, draw a card for eac...

At the beginning of your upkeep, if you have 5 or less life, sacrifice Second Chance and take an extra turn after this one.

Counter target spell unless its controller exiles all cards from their graveyard. Draw a card.

Shuffle your library. Then exile the top card of your library. Until end of turn, you may play that card without paying its mana cost. Storm (When ...

Flying Cycling {2} ({2}, Discard this card: Draw a card.)

Counter target spell with mana value 3 or less. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. Flashback—{1}{U},...

Target player reveals their hand. You choose an instant or sorcery card from it and exile that card. You may cast that card for as long as it remai...

Put target permanent an opponent controls on top of its owner's library. That opponent may put an artifact, creature, enchantment, or land card fro...

Tap an untapped creature you control: Tap target artifact, creature, or land.

Return all artifacts to their owners' hands. Cycling {2} ({2}, Discard this card: Draw a card.)

{U}: Rootwater Thief gains flying until end of turn. Whenever Rootwater Thief deals combat damage to a player, you may pay {2}. If you do, search ...

{7}{U}: Glintwing Invoker gets +3/+3 and gains flying until end of turn.

Flying {U}, Sacrifice Hydromorph Gull: Counter target spell that targets a creature you control.

Counter target sorcery spell.

Flying Echo {2}{U} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless y...