Boxing Day

{U}: Tap target creature unless its controller pays {1}.

Flying {T}, Tap two untapped Birds you control: Return target permanent to its owner's hand.

Counter target spell if it was kicked.

{3}{U}{U}: Turn Mischievous Quanar face down. Morph {1}{U}{U} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time...

Discard a card: Switch Aquamoeba's power and toughness until end of turn.

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.

Choose two target creatures controlled by the same player. Their controller chooses and sacrifices one of them. Return the other 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.

{1}{W}{W}: Target creature you control gains protection from the color of your choice until end of turn. {1}{U}{U}: Armored Guardian gains shroud ...

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 ...

Kicker—{2}{B}, Discard a creature card. (You may pay {2}{B} and discard a creature card in addition to any other costs as you cast this spell.) If...

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.

{3}: Target player mills three cards.

Domain — Counter target spell unless its controller pays {1} for each basic land type among lands you control.