Boxing Day

Nim Shambler gets +1/+0 for each artifact you control. Sacrifice a creature: Regenerate Nim Shambler.

{U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn. (If any of the abilities use that creature's name, u...

Defender (This creature can't attack.) Whenever Psychic Membrane blocks, you may draw a card.

Counter target spell unless its controller pays {1} for each artifact you control.

Neurok Spy can't be blocked as long as defending player controls an artifact.

Whenever an artifact is put into a graveyard from the battlefield, you may have target opponent lose 1 life.

({T}: Add {U}.)

({T}: Add {W}.)

Counter target artifact or enchantment spell.

({T}: Add {W}.)

({T}: Add {W}.)

({T}: Add {W}.)

(Vault of Whispers isn't a spell.) {T}: Add {B}.

(Tree of Tales isn't a spell.) {T}: Add {G}.

{T}: Add {C}. {6}: Stalking Stones becomes a 3/3 Elemental artifact creature that's still a land. (This effect lasts indefinitely.)

(Seat of the Synod isn't a spell.) {T}: Add {U}.

At the beginning of the end step, if you control no artifacts, sacrifice Glimmervoid. {T}: Add one mana of any color.

Cloudpost enters the battlefield tapped. {T}: Add {C} for each Locus on the battlefield.

{T}: Add {C}. {2}, {T}: Tap target noncreature artifact.

Vigilance

{4}, {T}: Put a fate counter on target permanent. {5}, {T}, Sacrifice Oblivion Stone: Destroy each nonland permanent without a fate counter on it, ...

{2}, {T}: Create a 0/1 colorless Pest artifact creature token.

{2}{B}, Sacrifice Nim Replica: Target creature gets -1/-1 until end of turn.

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without ...