Zalanthis, Weaver of Realms

Devoid (This card has no color.)
Reality Weave — Whenever Zalanthis, Weaver of Realms enters the battlefield or attacks, you may exile a permanent you control. If you do, search your library for a card that shares a type with the exiled permanent and put it onto the battlefield tapped. Shuffle your library afterward.
Eldritch Influence — As long as you control five or more cards in exile, creatures you control have hexproof and deathtouch.
{2}{u}{b}, Sacrifice another creature: Draw two cards, then