Engineered Explosives (Topper) [Ultimate Masters Box Topper] Bolas's Meditation Realm {1}{W}: Creatures you control with

{1}{W}: Creatures you control with defender can attack this turn as though they didn't have defender

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Set: Mirrodin Type: Instant Rarity: Common Cost: {1}{R} Destroy target artifact

each opponent may put any number of artifact

While it's phased out

Engineered Explosives (Topper) [Ultimate Masters Box Topper] Bolas's Meditation Realm {1}{W}: Creatures you control withSet: 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.