Engineered Explosives [Kaladesh Inventions] Classic Sixth Edition −8: You get an emblem

−8: You get an emblem with "Whenever an opponent casts their first spell each turn

Benalia has a complex caste system that changes with the lunar year

Then each player reveals their chosen card

At the beginning of each player's upkeep

Niv-Mizzet

Engineered Explosives [Kaladesh Inventions] Classic Sixth Edition −8: You get an emblemSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {X} 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 mana value equal to the number of charge counters on Engineered Explosives.