Repeating Crossbow

Whenever you cast a non-creature spell, put a
bolt counter on Repeating Crossbow.

Whenever equipped creature attacks, remove
any number of bolt counters. Repeating Crossbow deals 1 damage to any target per removed bolt counter.
Momentum — If equipped creature is attacking and has power 5 or greater, it gains first strike until end
of turn.
Equip {1}