4 Steam Vents 4 Electrolyze 3 Invoke the Firemind 4 Izzet Boilerworks 4 Izzet Signet 4 Niv-Mizzet, the Firemind 4 Repeal 2 Mindmoil 4 Remand 4 Char 4 Compulsive Research 4 Dream Leash 6 Mountain 9 Island