Main deck (60) 2 Chart a Course 4 Curious Obsession 4 Dive Down 20 Island 4 Merfolk Trickster 4 Mist-Cloaked Herald 4 Opt 4 Siren Stormtamer 1 Sleep 2 Spell Pierce 4 Tempest Djinn 3 Warkite Marauder 4 Wizard's Retort Sideboard (15) 2 Chart a Course 2 Essence Scatter 2 Exclusion Mage 2 Metamorphic Alteration 2 Negate 1 Selective Snare 2 Sleep 2 Surge Mare