Darksteel

When Myr Moonvessel dies, add {C}.

{T}: Target land becomes an artifact in addition to its other types until end of turn.

Juggernaut attacks each combat if able. Juggernaut can't be blocked by Walls.

Whenever Gemini Engine attacks, create a colorless Construct artifact creature token named Twin that's attacking. Its power is equal to Gemini Engi...

Affinity for Swamps (This spell costs {1} less to cast for each Swamp you control.) Fear (This creature can't be blocked except by artifact creatur...

Flying Drill-Skimmer has shroud as long as you control another artifact creature. (It can't be the target of spells or abilities.)

Imprint — {1}: Exile target creature card from your graveyard. As long as a card exiled with Death-Mask Duplicant has flying, Death-Mask Duplicant ...

Flying Indestructible (Damage and effects that say "destroy" don't destroy this creature.)

{1}: Target artifact creature blocks Auriok Siege Sled this turn if able. {1}: Target artifact creature can't block Auriok Siege Sled this turn.

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Flying Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact ...

Sacrifice an artifact: Put a +1/+1 counter on Arcbound Ravager. Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it...

Flying Sacrifice Pteron Ghost: Regenerate target artifact.

As long as Auriok Glaivemaster is equipped, it gets +1/+1 and has first strike.

Whenever Fangren Firstborn attacks, put a +1/+1 counter on each attacking creature.

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

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

Whenever Fangren Firstborn attacks, put a +1/+1 counter on each attacking creature.

Whenever you gain life, put that many +1/+1 counters on Ageless Entity.

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

At the beginning of your upkeep, put a +1/+1 counter on each creature with modular you control. Modular 6 (This creature enters the battlefield wit...

Haste Modular 2 (This creature enters the battlefield with two +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifac...

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.) At the beginning of your upkeep, you may move a +1/+1 c...

Trample Whenever another artifact enters the battlefield, put a +1/+1 counter on Arcbound Crusher. Modular 1 (This creature enters the battlefield ...