20 Island
2 Chart a Course
4 Curious Obsession
3 Dive Down
2 Essence Capture
4 Merfolk Trickster
2 Mist-Cloaked Herald
4 Opt
4 Pteramander
4 Siren Stormtamer
3 Spell Pierce
4 Tempest Djinn
4 Wizard's Retort
Sideboard:
2 Deep Freeze
2 Essence Capture
2 Exclusion Mage
3 Negate
2 Sleep
2 Surge Mare