Viridian Shaman

When Viridian Shaman enters, destroy target artifact.

Foundation Breaker

When Foundation Breaker enters, you may destroy target artifact or enchantment.
Evoke {1}{G} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Myr Landshaper

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

Wickerbough Elder

Wickerbough Elder enters with a -1/-1 counter on it.
{G}, Remove a -1/-1 counter from Wickerbough Elder: Destroy target artifact or enchantment.

Liquimetal Torque

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

Llanowar Elves

Harmonize

Conclave Naturalists

When Conclave Naturalists enters, you may destroy target artifact or enchantment.

Lantern of the Lost

When Lantern of the Lost enters, exile target card from a graveyard.
{1}, {T}, Exile Lantern of the Lost: Exile all cards from all graveyards, then draw a card.

Forest

Elvish Mystic

Liquimetal Coating

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

Wilt

Destroy target artifact or enchantment.
Cycling {2} ({2}, Discard this card: Draw a card.)