Engineered Explosives
Engineered Explosives {X}
Artifact
Sunburst (This enters the battlefield with a charge counter on it for each color of mana spent to cast it.)
{2}, Sacrifice Engineered Explosives: Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Engineered Explosives.
Latest set: [MMA] Modern Masters (R)