X'Ulthrim, Archlich Eternal

Deathtouch

X'Ulthrim has indestructible as long as a permanent under your control has a phylactery counter on it

{2}{u}{b}{t},Sacrifice a creature: Return target creature or artifact from your graveyard to the battlefield with a Phylactery counter and a finality counter on it.

Whenever a creature you control dies or is exiled from the battlefield surveil 1 and each opponent loses 1 life and you gain 1 life.