Main deck (60) 1 Benthic Biomancer 2 Chart a Course 4 Curious Obsession 3 Dive Down 2 Essence Capture 1 Exclusion Mage 19 Island 4 Merfolk Trickster 4 Opt 4 Pteramander 2 Quench 4 Siren Stormtamer 2 Spell Pierce 4 Tempest Djinn 4 Wizard's Retort Sideboard (14) 4 Diamond Mare 2 Disdainful Stroke 1 Dive Down 2 Entrancing Melody 1 Exclusion Mage 2 Negate 2 Sleep