Engineered Explosives 227 (Ultimate Masters)

Sunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact.

NM - $10.70
LP - $8.60
MP - $6.40
HP - $4.30
DMG - $2.20