Undying Sinister

Undying Sinister has deathtouch.
Undying Sinister is indestructible.
When you bring another Undying in play
under your control sacrifice Undying Sinister.
"In the Order of the Faceless exist no names.
When one dies, another one rises. They are ruthless
Nightmares. Once they have chosen a target, it will
die. Inevitably."