Robert\'s Firecrackers

Shinobi Firecracker — Whenever equipped creature attacks, you may pay {u}{r}. If you do, tap target creature an opponent controls. If that creature is a Beast, put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Equip {1}{flavor}“Suitable for temporarily immobilizing enemies and particularly good for scaring beasts.”