Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for .)
Bottle-Cap Blast deals 5 damage to any target. If excess damage was dealt to a permanent this way, create that many tapped Treasure tokens. (They're artifacts with ", Sacrifice this token: Add one mana of any color.")
.)
, Sacrifice this token: Add one mana of any color.")
