Does Cleave (Assault 3) stack when playing 2 copies, resulting in Assault 6?

Ruling: Yes, Cleave (Assault 3) stacks when playing 2 copies, resulting in Assault 6. Assault is a stacking keyword where each new occurrence adds to previous ones.

Nuances:

• Shield and Deflect also stack in the same way
• Spirit's Refuge is an exception that doesn't stack Deflect