Razaketh, the Foulblooded - 73 M HOU

Flying, trample
Pay 2 life, Sacrifice another creature: Search your library for a card, put that card into your hand, then shuffle.
Liliana insisted on coming to Amonkhet to confront one of the two remaining demons to whom she is bound.
mythic
Legendary Creature — Demon
From the Magic: The Gathering set Hour of Devastation.