Jormund, the Pale Deep

Jormund, the Pale Deep can't be blocked.
When Jormund, the Pale Deep enters the battlefield, each play puts the top 8 cards of their library into their graveyard.
{1}{u}{u}, Exile a card from your graveyard: Return
target instant or sorcery from your graveyard to
your hand.
In his search for the magic that Gaenan stole,
the seas raged.