Axe of Eddie Riggs

Rhythmagic (Whenever you cast a spell, switch this
permanent between downbeat and upbeat. Axe of
Eddie Riggs starts as downbeat.)
• Downbeat: equipped creature gets +0/+0
• Upbeat: equipped creature gets +4/+0
Equip - Headbang and rock out for 5 seconds.
Only the power of rock can stop annihilation.