2 Forest
4 Hinterland Harbor
13 Island
4 Simic Guildgate
4 Benthic Biomancer
1 Boomerang
4 Deeproot Elite
1 Essence Capture
1 Growth Spiral
3 Mana Leak
2 Master of Waves
2 Merfolk Trickster
4 Naban, Dean of Iteration
2 Path of Discovery
4 Silvergill Adept
3 Watertrap Weaver
4 Wizard's Retort
2 Zegana, Utopian Speaker
Sideboard:
2 Harbinger of the Tides
1 Master of the Pearl Trident
2 Naturalize
2 Negate
2 Sleep
2 Spell Pierce
1 Tidebinder Mage
3 Unsummon