This Macro toggles on your weapon and innervates you. Replace the staff name and character name with your own 🙂 Don’t forget the +20 spirit enchant!

/equipslot 16 Will of Arlokk
/cast [target=Angela] Innervate

And this macro puts your other weapons back on. Again, replace the names with your own weapons 🙂

/equipslot 16 Lok’amir il Romathis
/equipslot 17 Master Dragonslayer’s Orb