Warden of the Cycle

Unearth {b}{b} ({b}{b}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at
the beginning of the next end step or if it would leave
the battlefield. Unearth only as a sorcery.)
Discard Warden of the Cycle, exile the top three
cards of your library face down: If a permanent
would be exiled this turn, put that card into its
owner's graveyard instead.