Gunslinger, Spirit's Revenge

When Gunslinger enters or attacks, exile the top ten cards of your library. You may cast any number of Spirit or Equipment spells from among them this turn. If you cast a spell this way, create a Firearm Equipment artifact token with "Equip {1}" and "{x}: Deal X damage to target creature or planeswalker".

Whenever you cast an Equipment spell, distribute X bullet counters across creatures you control, where X is equal to that spell's mana cost.