Ankh of Mishra

Whenever a land enters, Ankh of Mishra deals 2 damage to that land's controller.

Vandalblast

Destroy target artifact you don't control.
Overload {4}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Price of Glory

Whenever a player taps a land for mana, if it's not that player's turn, destroy that land.

Smash to Smithereens

Destroy target artifact. Smash to Smithereens deals 3 damage to that artifact's controller.

Fire Diamond

Fire Diamond enters tapped.
{T}: Add {R}.

Silent Arbiter

No more than one creature can attack each combat.
No more than one creature can block each combat.

Zo-Zu the Punisher

Whenever a land enters, Zo-Zu the Punisher deals 2 damage to that land's controller.

By Force

Shattering Spree

Replicate {R} (When you cast this spell, copy it for each time you paid its replicate cost. You may choose new targets for the copies.)
Destroy target artifact.

Iron Myr

Smelt

Abrade

Choose one —
• Abrade deals 3 damage to target creature.
• Destroy target artifact.