20 Island
4 Curious Obsession
4 Harbinger of the Tides
2 Kopala, Warden of Waves
4 Merfolk Trickster
2 Mistcaller
4 River Sneak
3 Shore Up
2 Silvergill Adept
4 Tidebinder Mage
3 Unsubstantiate
4 Vodalian Hexcatcher
4 Wizard's Retort
Sideboard:
1 Vodalian Mindsinger
1 Watertrap Weaver