Main deck (60)
4 Curious Obsession
1 Cyclonic Rift
3 Dive Down
2 Harbinger of the Tides
20 Island
4 Master of Waves
2 Mausoleum Wanderer
4 Merfolk Trickster
2 Nykthos, Shrine to Nyx
2 Rapid Hybridization
4 Siren Stormtamer
2 Spectral Sailor
4 Tempest Djinn
4 Thassa, God of the Sea
2 Tidebinder Mage

Sideboard (15)
1 Entrancing Melody
2 Grafdigger's Cage
2 Jace, Architect of Thought
2 Mystical Dispute
2 Negate
2 Tidebinder Mage
4 Wizard's Retort