Foundation Breaker is a uncommon Creature — Elemental card from Modern Horizons 2 (MH2), collector number 160. Current market price: $0.33 (foil $0.55), TCGplayer market prices via Scryfall.
When this creature 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.)