He Who Quiets

Flying, Double Strike, Haste, Wither, Taunt.
Whenever a legendary creature you don't control
dies, pick a random opponent. That player gains
control of He Who Quiets and may attach one
equipment they control to him without paying
the equip cost. ( This happens at instant speed.)
At the beginning of your end step loose 4 life or
transform He Who Quiets.