Boxing Day

Flash When Lurking Deadeye enters the battlefield, destroy target creature that was dealt damage this turn.

Mutate {2}{B} (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...

Whenever Phase Dolphin attacks, another target attacking creature can't be blocked this turn.

Creatures you control get +2/+1 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

Creatures your opponents control get -2/-0 until end of turn. Cycling {2} ({2}, Discard this card: Draw a card.)

This spell costs {2} less to cast if you control a creature with flying. Return target nonland permanent you don't control to its owner's hand. D...

Mill three cards, then you may return a creature card from your graveyard to your hand. (To mill a card, put the top card of your library into your...

Tap up to two target creatures. Those creatures don't untap during their controller's next untap step. Cycling {1} ({1}, Discard this card: Draw a...

When Frost Lynx enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.

{1}, {T}: Draw a card, then discard a card.

When Daysquad Marshal enters the battlefield, create a 1/1 white Human Soldier creature token.

Mutate {3}{B} (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...

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Boot Nipper enters the battlefield with your choice of a deathtouch counter or a lifelink counter on it.

{1}{W}, {T}: Tap target creature.

Counter target creature spell.

Mutate {3}{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 creature on...

Flash

Counter target spell unless its controller pays {4}.

Flash (You may cast this spell any time you could cast an instant.) Enchant creature When Capture Sphere enters the battlefield, tap enchanted cr...

Flying Cycling {2}{U} ({2}{U}, Discard this card: Draw a card.) When you cycle Avian Oddity, put a flying counter on target creature you control.

Mutate {5}{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 creature on...