Main deck (60) 4 Coralhelm Commander 3 Crystal Vein 1 Dakra Mystic 1 Darting Merfolk 4 Deeproot Waters 4 Inkfathom Infiltrator 16 Island 1 Manta Riders 4 Merfolk Sovereign 2 Military Intelligence 4 River Sneak 1 Skywatcher Adept 3 Svyelunite Temple 3 Thassa's Rebuff 3 Tidal Courier 4 Triton Shorestalker 2 Vanquisher's Banner Sideboard (15) 1 Controlled Instincts 2 Control Magic 2 Flashfreeze 2 Inundate 2 Invasive Surgery 2 Jace's Defeat 2 Narcolepsy 2 Sentinel Totem