Dulivan, of the Eight

Deathtouch, Undying
Dulivan can be soulbound to any number of creatures at once, but only to creatures brought
back from an opponents graveyard, and only one creature per turn.
Soulbind-Creatures bound to Dulivan gain "Protection from everything"
{2}{u}{b}{r}{g}{t}: Return a creature from an
opponents graveyard to the battlefield under your control.