20 Island
4 Censor
4 Curious Obsession
2 Dive Down
3 Gadwick, the Wizened
4 Master of Waves
4 Merfolk Trickster
4 Overwhelmed Apprentice
4 Spectral Sailor
2 Spell Pierce
4 Tempest Djinn
1 Thassa, God of the Sea
4 Wizard's Retort
Sideboard:
4 Aether Gust
2 Essence Capture
4 Mystical Dispute
1 Narset, Parter of Veils
3 Negate
1 Threnody Singer