4 Forest
4 Hinterland Harbor
8 Island
4 Mutavault
3 Aether Vial
4 Counterspell
4 Cursecatcher
2 Deeproot Waters
1 Jace, the Mind Sculptor
4 Lord of Atlantis
2 Mana Leak
4 Master of the Pearl Trident
4 Merrow Reejerey
2 Negate
2 Oko, Thief of Crowns
4 Silvergill Adept
4 Spreading Seas
4 True-Name Nemesis
2 Uro, Titan of Nature's Wrath
Sideboard:
1 Aetherize
2 Collector Ouphe
1 Counterspell
2 Dismember
5 Elk
5 Food
10 Merfolk
1 Negate
2 Relic of Progenitus
2 Return to Nature
2 Submerge
2 Veil of Summer