Ishlarin, Reaper of Kings

Devoid, Deathtouch
When Ishlarin, Reaper of Kings enters the battlefield search your library or graveyard for a
card called Unscythe, Killer of Kings and put it
into your hand.
{3}, Target spell in exile gets Voidbound until
the end of the turn.
Partner with Vh'ulthu, Bound by Eternity.