Main deck (60) 3 Coralhelm Commander 2 Deepchannel Mentor 2 Dreadship Reef 4 Drowner Initiate 2 Favorable Winds 4 Inkfathom Witch 16 Island 3 Merfolk Raiders 4 Merfolk Sovereign 2 Merrow Commerce 1 Riddleform 2 Shaper Apprentice 2 Silvergill Douser 4 Slither Blade 5 Swamp 4 Unsummon Sideboard (8) 4 Deepwater Hypnotist 1 Merrow Commerce 3 Riddleform