Boxing Day

Menace When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creatu...

Flying Whenever you draw a card, Niv-Mizzet, the Firemind deals 1 damage to any target. {T}: Draw a card.

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.) Destroy tar...

Spectacle {R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) Exile the top two card...

Whenever you cast an instant or sorcery spell, Guttersnipe deals 2 damage to each opponent.

Whenever another creature you control dies, Vindictive Vampire deals 1 damage to each opponent and you gain 1 life.

{1}, {T}: Add {U}{R}.

{1}, {T}: Add {W}{U}.

Whenever you sacrifice a black creature, you may pay 2 life. If you do, each other player sacrifices a creature. Whenever you sacrifice a green cre...

Flying Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Each opponent loses two times X life. You gain life equal to the life lost this way.

Search your library for a Plains, Island, Swamp, or Mountain card, put it onto the battlefield tapped, then shuffle.

Minas Morgul, Dark Fortress enters the battlefield tapped. {T}: Add {B}. {3}{B}, {T}: Put a shadow counter on target creature. For as long as that ...

Until end of turn, target creature you control gains indestructible and "Whenever this creature is dealt damage, put that many +1/+1 counters on it."

This creature gets +X/+0, where X is the greatest mana value among other artifacts you control.

Whenever an artifact you control enters, put a loyalty counter on Tezzeret. [0]: Untap target artifact or creature. If it's an artifact creature, p...

({T}: Add {R} or {W}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

This land enters tapped. {T}: Add {R}. Station (Tap another creature you control: Put charge counters equal to its power on this Planet. Station on...

({T}: Add {W} or {B}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

Destroy all creatures, then any number of target players each mill half their library, rounded down.

When Infinite Guideline Station enters, create a tapped 2/2 colorless Robot artifact creature token for each multicolored permanent you control. St...

When this creature leaves the battlefield, draw a card, then you may put a permanent card with mana value less than or equal to the number of lands...

Whenever a nontoken artifact you control enters, create a colorless artifact token named Munitions with "When this token leaves the battlefield, it...

{T}: Return target creature card from your graveyard to the battlefield. It's a Skeleton in addition to its other types and has no abilities. Activ...