Aizufvey, Eldrazi Priest

+3: Exile target non-legendary permanent and scry equal to its mana cost, or draw a card and exile the top three cards of a target library
-3: Summon a 1/1 Eldrazi Scion for each land target opponent controls, for each waste they control summon two instead
-9: All enemy lands become wastes, then all non-legendary enemy minions become 3/2 Eldrazi Horror tokens under your control