20 Island
2 Chart a Course
2 Counterspell
4 Curious Obsession
1 Diamond Mare
3 Dive Down
2 Essence Scatter
2 Merfolk Trickster
4 Mist-Cloaked Herald
3 Opt
4 Pteramander
4 Siren Stormtamer
1 Sleep
2 Spell Pierce
4 Tempest Djinn
2 Wizard's Retort
Sideboard:
1 Dive Down
2 Merfolk Trickster
1 Negate
1 Opt
1 Spectral Sailor
1 Syncopate