2 Radical Idea 2 Mission Briefing 3 Maximize Altitude 3 Discovery/Dispersal 4 Unsummon 4 Opt 4 Drowned Secrets 4 Creeping Chill 2 Brazen Borrower 4 Wall of Lost Thoughts 4 Arclight Phoenix 4 Merfolk Secretkeeper 1 Castle Vantress 2 Watery Grave 2 Mystic Sanctuary 2 Steam Vents 13 Island Sideboard 2 Vantress Gargoyle 2 Mystical Dispute 3 Ashiok, Dream Render 3 Narset, Parter of Veils 2 Radical Idea 1 Maximize Altitude 1 Discovery/Dispersal 1 Brazen Borrower