Awesome Cyber Monday

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.

Destroy target artifact creature or black creature. It can't be regenerated.

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.)

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

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

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

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

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 unti...

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.

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.