Master Chief's Mjolnir Armor

Equipped creature has indestructible.
If Equipped creature would leave the battlefield, instead exile this artifact and return equipped creature to it's owner's hand.
Signature Weapon - Master Chief's Mjolnir Armor can be your commander if Master Chief is also your commander. You may only have up to 2 signature weapons at a time.
Equip {3}
—armore—