Boxing Day

As long as Skyhunter Cub is equipped, it gets +1/+1 and has flying.

Imprint — When Mirror Golem enters the battlefield, you may exile target card from a graveyard. Mirror Golem has protection from each of the exiled...

{1}{G}: Malachite Golem gains trample until end of turn.

Karstoderm enters the battlefield with five +1/+1 counters on it. Whenever an artifact enters the battlefield, remove a +1/+1 counter from Karstoderm.

When Leveler enters the battlefield, exile all cards from your library.

Defender (This creature can't attack.) Protection from artifacts Whenever an opponent casts an artifact spell, you may create a 1/1 green Insect cr...

{1}{R}: Hematite Golem gets +2/+0 until end of turn.

When Vulshok War Boar enters the battlefield, sacrifice it unless you sacrifice an artifact.

Goblin War Wagon doesn't untap during your untap step. At the beginning of your upkeep, you may pay {2}. If you do, untap Goblin War Wagon.

{3}{R}, Sacrifice Goblin Replica: Destroy target artifact.

{W}, {T}: Tap target creature.

Flying Goblin Dirigible doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Goblin Dirigible.

Sacrifice an artifact: Target artifact gains indestructible until end of turn.

{T}, Sacrifice an artifact: Add {R}{R}.

{1}{G}, Sacrifice Elf Replica: Destroy target enchantment.

Whenever Duskworker becomes blocked, regenerate it. {3}: Duskworker gets +1/+0 until end of turn.

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

{1}{U}: Cobalt Golem gains flying until end of turn.

{T}: Add {G}.

Trample Clockwork Vorrac enters the battlefield with four +1/+1 counters on it. Whenever Clockwork Vorrac attacks or blocks, remove a +1/+1 counter...

Flying Clockwork Dragon enters the battlefield with six +1/+1 counters on it. Whenever Clockwork Dragon attacks or blocks, remove a +1/+1 counter f...

Flying Clockwork Condor enters the battlefield with three +1/+1 counters on it. Whenever Clockwork Condor attacks or blocks, remove a +1/+1 counter...

Whenever a player casts an artifact spell, that player gains control of Drooling Ogre. (This effect lasts indefinitely.)

Clockwork Beetle enters the battlefield with two +1/+1 counters on it. Whenever Clockwork Beetle attacks or blocks, remove a +1/+1 counter from it ...