19 Island
3 Brineborn Cutthroat
4 Curious Obsession
3 Dive Down
2 Kasmina's Transmutation
1 Lookout's Dispersal
4 Merfolk Trickster
4 Opt
4 Siren Stormtamer
1 Sleep
4 Spectral Sailor
3 Spell Pierce
4 Tempest Djinn
4 Wizard's Retort
Sideboard:
2 Aether Gust
2 Cerulean Drake
2 Entrancing Melody
2 Essence Capture
1 Kasmina's Transmutation
1 Negate
2 Sorcerous Spyglass
2 Surge Mare
1 Tale's End