Boxing Day

Whenever you cast a spell, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Other blue creatures you control get +1/+1. {U}: Target artifact creature becomes blue until end of turn. Tap an untapped blue creature you control...

Whenever a permanent deals damage to you, return it to its owner's hand.

({T}: Add {W}.)

({T}: Add {W}.)

Target creature gets +1/+1 and gains first strike until end of turn.

Enchant creature Enchanted creature can't attack or block, and its activated abilities can't be activated.

{W}, Sacrifice Salvage Scout: Return target artifact card from your graveyard to your hand.

{1}, {T}, Sacrifice Origin Spellbomb: Create a 1/1 colorless Myr artifact creature token. When Origin Spellbomb is put into a graveyard from the ba...

Equipped creature gets +2/+2, has intimidate, and is a black Zombie. (A creature with intimidate can't be blocked except by artifact creatures and/...

You may choose not to untap Rust Tick during your untap step. {1}, {T}: Tap target artifact. It doesn't untap during its controller's untap step f...

{T}: Put a charge counter on Ratchet Bomb. {T}, Sacrifice Ratchet Bomb: Destroy each nonland permanent with mana value equal to the number of charg...

Imprint — When Prototype Portal enters the battlefield, you may exile an artifact card from your hand. {X}, {T}: Create a token that's a copy of t...

When Precursor Golem enters the battlefield, create two 3/3 colorless Golem artifact creature tokens. Whenever a player casts an instant or sorcery...

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

When Perilous Myr dies, it deals 2 damage to any target.

{T}, Sacrifice Panic Spellbomb: Target creature can't block this turn. When Panic Spellbomb is put into a graveyard from the battlefield, you may ...

{T}: Add {C}{C}.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When Corpse Cur enter...

{T}: Add {G}.

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls. {4}, {T}: Proliferate, then proliferate ...

When Contagion Clasp enters the battlefield, put a -1/-1 counter on target creature. {4}, {T}: Proliferate. (Choose any number of permanents and/or...

Imprint — When Clone Shell enters the battlefield, look at the top four cards of your library, exile one face down, then put the rest on the bottom...