Engineered Explosives [Ultimate Box Topper] Tenth Edition {T}: Add {B} for each

{T}: Add {B} for each Swamp you control

you draw a card

sacrifice Masticore unless you discard a card

Set: Time Spiral Type: Instant Rarity: Rare Cost: {1}{R}{R} Buyback {3} (You may pay an additional {3} as you cast this spell

energized with madness

Engineered Explosives [Ultimate Box Topper] Tenth Edition {T}: Add {B} for eachSet: Ultimate Box Topper Type: Artifact 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 converted mana cost equal to the number of charge counters on Engineered Explosives.