Harmonize

Roiling Terrain

Destroy target land, then Roiling Terrain deals damage to that land's controller equal to the number of land cards in that player's graveyard.

Vithian Renegades

When Vithian Renegades enters, destroy target artifact.

Tanglewalker

Each creature you control can't be blocked as long as defending player controls an artifact land.

Gruul Turf

Gruul Turf enters tapped.
When Gruul Turf enters, return a land you control to its owner's hand.
{T}: Add {R}{G}.

Forest

Myr Landshaper

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

Smelt

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.

Liquimetal Coating

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

Ancient Grudge

Destroy target artifact.
Flashback {G} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Mountain

Elvish Mystic

Tin Street Hooligan

When Tin Street Hooligan enters, if {G} was spent to cast it, destroy target artifact.

Rugged Highlands

This land enters tapped.
When this land enters, you gain 1 life.
{T}: Add {R} or {G}.

Torch Fiend

{R}, Sacrifice Torch Fiend: Destroy target artifact.

Deus of Calamity

Trample
Whenever Deus of Calamity deals 6 or more damage to an opponent, destroy target land that player controls.