Boxing Day

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Flying When Keiga, the Tide Star dies, gain control of target creature.

Flash At the beginning of your end step, draw seven cards. Each opponent's maximum hand size is reduced by seven.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) Whenever Jhessian Thief deals combat damage to a playe...

Flying When Angel of Mercy enters the battlefield, you gain 3 life.

Cast this spell only if you've cast another spell this turn. Flying

Flash (You may cast this spell any time you could cast an instant.) Whenever Illusory Ambusher is dealt damage, draw that many cards.

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

Counter target instant or sorcery spell unless its controller pays {1}. Storm (When you cast this spell, copy it for each spell cast before it this...

Target creature gets +1/+0 until end of turn and can't be blocked this turn. Rebound (If you cast this spell from your hand, exile it as it resolv...

Whenever you gain life, put a +1/+1 counter on Ajani's Pridemate.

When Day of the Dragons enters the battlefield, exile all creatures you control. Then create that many 5/5 red Dragon creature tokens with flying. ...

Exile target creature. Its controller gains life equal to its power.

Simic Growth Chamber enters the battlefield tapped. When Simic Growth Chamber enters the battlefield, return a land you control to its owner's han...

Lifelink (Damage dealt by this creature also causes you to gain that much life.) As long as you have 30 or more life, Serra Ascendant gets +5/+5 an...

{T}: Add {U}. If you played a land this turn, add {B} instead.

Rakdos Carnarium enters the battlefield tapped. When Rakdos Carnarium enters the battlefield, return a land you control to its owner's hand. {T}:...

When Radiant Fountain enters the battlefield, you gain 2 life. {T}: Add {C}.

{T}: Add {C}. {T}: Add {W}. Activate only if you control an Island. {T}: Add {U}. Activate only if you control a Plains.

Orzhov Basilica enters the battlefield tapped. When Orzhov Basilica enters the battlefield, return a land you control to its owner's hand. {T}: A...

Flying, vigilance

Izzet Boilerworks enters the battlefield tapped. When Izzet Boilerworks enters the battlefield, return a land you control to its owner's hand. {T...

{T}, Pay 1 life: Add {G} or {W}. {1}, {T}, Sacrifice Horizon Canopy: Draw a card.

Gruul Turf enters the battlefield tapped. When Gruul Turf enters the battlefield, return a land you control to its owner's hand. {T}: Add {R}{G}.