Engineered Explosives (MMA) from Modern Masters, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Lars Grant-West
• Card Text:
  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.