Belzarond, Void's Wit

Hexproof, flying.
{2}{u}, Discard a card: Draw X cards, where X
is the number of Demons you control. Activate
this only once per turn.
Partner with any number of different Belzarond
(When this creature enters the battlefield, target
player may put any number of different creatures
named Belzarond into their hand from their
library, then shuffle.)