Description

that card returns to the battlefield

then exile it face down

Spend this mana only to cast creature spells or activate abilities of creatures

this creature gets +1/+1 until end of turn

Engineered Explosives 227 (Ultimate Masters) Condition:DMG that card returns to theSunburst (This artifact enters with a charge counter on it for each color of mana spent to cast it.) {2}, Sacrifice this artifact: Destroy each nonland permanent with mana value equal to the number of charge counters on this artifact.

Exchange/Return Notes