Darksteel

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

Whenever a player casts a red spell, you may gain 1 life.

Whenever a player casts a black spell, you may gain 1 life.

Indestructible (Effects that say "destroy" don't destroy this artifact.) At the beginning of your upkeep, you may put a charge counter on Darkstee...

Indestructible (Effects that say "destroy" don't destroy this artifact.) {1}, {T}: Scry 1. (Look at the top card of your library. You may put that...

Indestructible {T}: Add one mana of any color.

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

Artifacts you control have indestructible. (Effects that say "destroy" don't destroy them. Artifact creatures with indestructible can't be destroye...

You gain 4 life. Then if an opponent has more life than you, return Pulse of the Fields to its owner's hand.

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

Indestructible (Damage and effects that say "destroy" don't destroy this artifact.) {3}: Darksteel Brute becomes a 2/2 Beast artifact creature unt...

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

Whenever an opponent casts a nonartifact spell, put a charge counter on Chimeric Egg. Remove three charge counters from Chimeric Egg: Chimeric Egg ...

{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.