Bright-Nail

Equipped creature gets +2/+1 and has indestructible as long as it is tapped.
Tap an untapped creature you control: Attach
Bright-Nail to the tapped creature.
"Prester John came onto the field, Bright-Nail
clutched in his gauntleted fist, and cut a path through
the Nabbanai Imperial Guard"
—Chronicles of the Dragonbone Chair