Dreadknight

Dreadknight is only a creature if it is equipped. Otherwise, it has Ward {4}.
Haste, Double Strike.
Eminence - Equipment you control without Living Weapon has Living Weapon and "Equipped creature gets +1/+1".
Pay 3 life, Activate only if Dreadknight is equipped, Sacrifice a creature: Attach target equipment to Dreadknight.