Gunpowder, Munitions Expert

Flash, Haste
As Gunpowder, Munitions Expert enters the battlefield, destroy target permanent you don't
control. Create a treasure token for each
permanent destroyed this way.
Overload {3}{b}{b}{r}{r}{r}{g}{g} (You may cast this
spell for its overload cost. If you do, change its text by replacing all instances of "target" with "each".)