Boxing Day

Equipped creature gets +1/+0 for each blood counter on Rakdos Riteknife and has "{T}, Sacrifice a creature: Put a blood counter on Rakdos Riteknife...

Vanishing 1 (This creature enters the battlefield with a time counter on it. At the beginning of your upkeep, remove a time counter from it. When t...

Equipped creature doesn't untap during its controller's untap step. Equipped creature has "{T}: This creature deals 2 damage to any target." Equi...

Untap all artifacts you control during each other player's untap step.

Whenever Dross Scorpion or another artifact creature dies, you may untap target artifact.

({T}: Add {U} or {R}.) As Steam Vents enters the battlefield, you may pay 2 life. If you don't, it enters the battlefield tapped.

{T}: Add {C}. {1}: Blinkmoth Nexus becomes a 1/1 Blinkmoth artifact creature with flying until end of turn. It's still a land. {1}, {T}: Target B...

{U/P}: Trespassing Souleater can't be blocked this turn. ({U/P} can be paid with either {U} or 2 life.)

{1}, {T}, Discard a card: Create a 1/1 colorless Sliver artifact creature token named Metallic Sliver.

{T}: Put a charge counter on Grindclock. {T}: Target player mills X cards, where X is the number of charge counters on Grindclock.

You may cast spells as though they had flash.

{3}, {T}: Put a +1/+1 counter on target creature.

{T}: Add {C}. {3}, {T}, Sacrifice a creature: You gain life equal to the sacrificed creature's toughness.

Whenever equipped creature deals combat damage, put two charge counters on Umezawa's Jitte. Remove a charge counter from Umezawa's Jitte: Choose o...

{T}: Add {C}. {R}{G}, {T}: Target creature gets +1/+1 and gains trample until end of turn.

{3}, {T}: Target player exiles a card from their hand. Activate only as a sorcery. {1}: Choose a card exiled with Muse Vessel. You may play that ca...

Sacrifice an artifact: Thermal Navigator gains flying until end of turn.

This creature gets +1/+1 for each artifact you control.

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

Creatures you control have flying, first strike, vigilance, trample, haste, and protection from black and from red.

{3}, {T} or {U}, {T}: Return target creature to its owner's hand unless its controller pays {1}.

Equipped creature gets +1/+0. Equip {0} ({0}: Attach to target creature you control. Equip only as a sorcery.)

{2}: Target artifact creature gets +1/+1 until end of turn. {2}: Target artifact creature gains your choice of flying, trample, or haste until end ...

Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards.