Viridian Revel

Whenever an artifact is put into an opponent's graveyard from the battlefield, you may draw a card.

Rampant Growth

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

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.")

Ancient Stirrings

Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.

By Force

Forest

Myr Landshaper

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

Hoard-Smelter Dragon

Flying
{3}{R}: Destroy target artifact. This creature gets +X/+0 until end of turn, where X is that artifact's mana value.

Sunder Shaman

This creature can't be blocked by more than one creature.
Whenever this creature deals combat damage to a player, destroy target artifact or enchantment that player controls.

Mountain

Liquimetal Coating

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

Splinter

Exile target artifact. Search its controller's graveyard, hand, and library for all cards with the same name as that artifact and exile them. Then that player shuffles.

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Wreak Havoc

This spell can't be countered.
Destroy target artifact or land.

Oxidize

Destroy target artifact. It can't be regenerated.

Magnetic Mine

Whenever another artifact is put into a graveyard from the battlefield, this artifact deals 2 damage to that artifact's controller.

Manglehorn

When this creature enters, you may destroy target artifact.
Artifacts your opponents control enter tapped.