Sorcerous Squall

Sorcery — {6}{U}{U}{U}

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)
Target opponent mills nine cards, then you may cast an instant or sorcery spell from that player's graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead.

Rarity: rare

EDHREC rank: 8557