Main deck (60) 1 Chart a Course 4 Curious Obsession 4 Dive Down 2 Essence Capture 19 Island 4 Merfolk Trickster 4 Mist-Cloaked Herald 4 Opt 4 Pteramander 4 Siren Stormtamer 2 Spell Pierce 4 Tempest Djinn 4 Wizard's Retort Sideboard (15) 2 Diamond Mare 2 Disdainful Stroke 2 Entrancing Melody 1 Essence Capture 2 Exclusion Mage 3 Negate 1 Sleep 2 Surge Mare