Engineered Explosives is a special Artifact card from Kaladesh Inventions (MPS), collector number 36. Current market price: — (foil $107.36), TCGplayer market prices via Scryfall.
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.