4 Cloudfin Raptor 2 Gadwick, the Wizened 4 Harbinger of the Tides 4 Master of Waves 4 Merfolk Trickster 4 Siren Stormtamer 4 Tempest Djinn 2 Thassa, God of the Sea 1 Treasure Cruise 4 Wizard's Retort 4 Curious Obsession 2 Castle Vantress 21 Island Sideboard 3 Entrancing Melody 4 Mystical Dispute 4 Negate 2 Spell Pierce 2 Take into Custody