Frale, Deity of the Ring

As an additional cost to cast Frale, Deity of the
Ring, sacrifice a creature with power 4 or greater.
Flying, indestructible, first strike
Whenever Frale, Deity of the Ring attacks, create
a 4/4 black Angel Demon Horror creature token
with flying that enters the battlefield tapped and attacking.
"Ye shall not prevail, for your death is inevitable."