Pyrrhic Strike is a uncommon Instant card from Lorwyn Eclipsed (ECL), collector number 30. Current market price: $0.26 (foil $0.24), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, you may blight 2. (You may put two -1/-1 counters on a creature you control.) Choose one. If this spell's additional cost was paid, choose both instead. • Destroy target artifact or enchantment. • Destroy target creature with mana value 3 or greater.