Main deck (60) 4 Brazen Borrower 4 Cloudfin Raptor 3 Dive Down 4 Gadwick, the Wizened 4 Harbinger of the Tides 21 Island 4 Master of Waves 4 Merfolk Trickster 1 Naban, Dean of Iteration 3 Nykthos, Shrine to Nyx 4 Tempest Djinn 4 Thassa, God of the Sea Sideboard (15) 4 Frostburn Weird 2 Mystical Dispute 2 Pithing Needle 2 Rapid Hybridization 1 Spell Pierce 4 Tidebinder Mage