Engineered Explosives (Topper) [Ultimate Masters Box Topper] Equipment if it has a +1/+1

if it has a +1/+1 counter on it

Set: Alpha Edition Type: Creature — Merfolk Rarity: Common Cost: {U} Most human scholars believe that Merfolk are the survivors of sunken Atlantis

where X is the number of creatures that died this way

Whenever Brimaz blocks a creature

Engineered Explosives (Topper) [Ultimate Masters Box Topper] Equipment if it has a +1/+1Set: 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.