Mirrodin

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

You can't cast creature spells.

{T}: Add {W}.

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.

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.

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

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

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

Imprint — When Duplicant enters the battlefield, you may exile target nontoken creature. As long as a card exiled with Duplicant is a creature car...

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

{T}: Add {G}.

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

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...

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 ...

Flying At the beginning of your upkeep, you may create a 1/1 white Spirit creature token with flying.

When Cathodion dies, add {C}{C}{C}.

Sacrifice Bottle Gnomes: You gain 3 life.

Trample {3}{R}, Sacrifice an artifact: Bosh, Iron Golem deals damage equal to the sacrificed artifact's mana value to any target.

When Wurmskin Forger enters the battlefield, distribute three +1/+1 counters among one, two, or three target creatures.

Loxodon Punisher gets +2/+2 for each Equipment attached to it.

When Viridian Shaman enters the battlefield, destroy target artifact.