Mjolnir, Storm Hammer (Extended Art) (ACR-170) - Assassin's Creed: (Extended Art)

When Mjölnir enters, attach it to target legendary creature you control.
Whenever equipped creature attacks, tap target creature defending player controls and put a stun counter on it. Then Mjölnir deals damage to each opponent equal to the number of tapped creatures that opponent controls.
Equip {4}