Main deck (60) 3 Cruel Edict 3 Dead Weight 4 Dimir Guildgate 3 Discovery // Dispersal 4 Dismal Backwater 8 Island 2 Kasmina, Enigmatic Mentor 4 Mana Leak 2 Mask of Riddles 2 Merfolk Looter 4 Murmuring Mystic 2 Mystic Sanctuary 1 Oona's Grace 4 Opt 3 Psychatog 2 Repeal 5 Swamp 4 Ultimate Price Sideboard (15) 1 Cruel Edict 2 Dive Down 3 Duress 4 Flaying Tendrils 2 Infest 2 Negate 1 Repeal