Yggdrasil, Rebirth Engine

Legendary Artifact - (mythic)

When Yggdrasil, Rebirth Engine enters the battlefield, exile all creature cards from your graveyard.
: Exile the top three cards of your library.
, : Put a creature card exiled with Yggdrasil onto the battlefield under your control. It gains haste until end of turn. Activate only as a sorcery.