Engineered Explosives [Kaladesh Inventions] Urza's Legacy Whenever Shield Sphere blocks

Whenever Shield Sphere blocks

the Mutable becomes a Human with base power and toughness 1/1

Set: New Phyrexia Promos Type: Instant Rarity: Rare Cost: {B/P} ({B/P} can be paid with either {B} or 2 life

Exile Burning Wish

Sacrifice Glen Elendra Archmage: Counter target noncreature spell

Engineered Explosives [Kaladesh Inventions] Urza's Legacy Whenever Shield Sphere blocksSet: 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.