20 Island
1 Cloudfin Raptor
4 Curious Obsession
3 Essence Capture
2 Merfolk Trickster
2 Mystical Dispute
1 Narset, Parter of Veils
4 Opt
4 Sea-Dasher Octopus
4 Siren Stormtamer
4 Spectral Sailor
3 Spell Pierce
4 Tempest Djinn
4 Unsubstantiate
Sideboard:
3 Aether Gust
2 Annul
2 Ashiok, Dream Render
4 Cerulean Drake
3 Entrancing Melody
1 Negate