Serevos, Occult Oracle

Serevos, Occult Oracle enters the battlefield with
two Hallucination counters on it. When Serevos
has zero Hallucination counters on it, sacrifice it.
{t}, Remove a Hallucination counter: Hallucinate
(set aside your hand, face down, and draws seven
cards. At end of your turn, shuffle your hand and
library together and return to your hand each card
you set aside this way.)
"...invisible world... reveal your truths..."