Fifth Dawn

Destroy target artifact. Scry 2. (Look at the top two cards of your library, then put any number of them on the bottom of your library and the rest...

Destroy target blocking creature.

{R}, Sacrifice two artifacts: Destroy target artifact.

When you control no other artifacts, sacrifice Synod Centurion.

Haste Iron-Barb Hellion can't block.

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.) Remove a +1/+1 counter from Lunar Avenge...

Nim Grotesque gets +1/+0 for each artifact you control.

Enchant artifact Enchanted artifact has "At the beginning of your upkeep, sacrifice this artifact unless you pay its mana cost."

Magma Jet deals 2 damage to any target. Scry 2.

Flying, double strike

Destroy target blocking creature.

Plasma Elemental can't be blocked.

At the beginning of each opponent's upkeep, Skullcage deals 2 damage to that player unless they have exactly three or exactly four cards in hand.

{G}, Sacrifice Ouphe Vandals: Counter target activated ability from an artifact source and destroy that artifact if it's on the battlefield. (Mana ...