Darksteel

Affinity for Islands (This spell costs {1} less to cast for each Island you control.) Flying

Whenever Spincrusher blocks, put a +1/+1 counter on it. Remove a +1/+1 counter from Spincrusher: Spincrusher can't be blocked this turn.

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

Affinity for Mountains (This spell costs {1} less to cast for each Mountain you control.) Haste

When Myr Moonvessel dies, add {C}.

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

{1}{U}{U}: Target permanent becomes an artifact in addition to its other types. (This effect lasts indefinitely.) {3}{U}: Gain control of target ar...

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...

Flying, trample When Eater of Days enters the battlefield, you skip your next two turns.

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 creatu...

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

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

Trample, indestructible If Darksteel Colossus would be put into a graveyard from anywhere, reveal Darksteel Colossus and shuffle it into its owner...

{T}: Put a charge counter on target artifact. Sacrifice Coretapper: Put two charge counters on target artifact.

{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 ...

Whenever Arcbound Slith deals combat damage to a player, put a +1/+1 counter on it. Modular 1 (This creature enters the battlefield with a +1/+1 co...

Remove a +1/+1 counter from Arcbound Reclaimer: Put target artifact card from your graveyard on top of your library. Modular 2 (This creature enter...

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.