Engineered Explosives (Topper) [Ultimate Masters Box Topper] SM235 When an effect of a

When an effect of a monster on the field is activated

Before a cause can have supporters

Set: Alpha Edition Type: Creature — Illusion Rarity: Uncommon Cost: {3}{U} Flying

Set: Abyss Rising Card type: Normal Trap Rarity: Super Rare Attack: 0 Defense: 0 Special Summon any number of "Madolche" monster from your hand

While you control a Dragon-Type monster

Engineered Explosives (Topper) [Ultimate Masters Box Topper] SM235 When an effect of aSet: Ultimate Masters Box Topper 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.