Crumble

Destroy target artifact. It can't be regenerated. That artifact's controller gains life equal to its mana value.

Fragmentize

Destroy target artifact or enchantment with mana value 4 or less.

Boseiju, Who Endures

{T}: Add {G}.
Channel — {1}{G}, Discard Boseiju, Who Endures: Destroy target artifact, enchantment, or nonbasic land an opponent controls. That player may search their library for a land card with a basic land type, put it onto the battlefield, then shuffle. This ability costs {1} less to activate for each legendary creature you control.