20 Island
1 Chart a Course
4 Curious Obsession
4 Dive Down
2 Essence Capture
4 Merfolk Trickster
3 Mist-Cloaked Herald
4 Opt
4 Pteramander
4 Siren Stormtamer
2 Spell Pierce
4 Tempest Djinn
4 Wizard's Retort
Sideboard:
2 Essence Capture
2 Exclusion Mage
2 Narset, Parter of Veils
3 Negate
4 Surge Mare
2 Syncopate