Mjolnir, Hammer of the Worthy

When Mjolnir enters the battlefield, it deals 2
damage to any target.
Equip legendary creature {2}
Equip creature {4}
Equipped creature gets +2/+1 and has, {2}{r},
Unattach Mjolnir: It deals 2 damage to any
target. Mjolnir phases out.