2 Mutavault
2 Breeding Pool
4 Kumena's Speaker
4 Merfolk Mistbinder
4 Silvergill Adept
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Trickster
2 Merrow Reejerey
2 Harbinger of the Tides
4 Aether Vial
4 Spreading Seas
4 Spell Pierce
3 Cavern of Souls
4 Botanical Sanctum
4 Waterlogged Grove
5 Island
Sideboard
1 Harbinger of the Tides
2 Shapers' Sanctuary
1 Ceremonious Rejection
1 Tormod's Crypt
2 Collector Ouphe
1 Mistcaller
1 Tidebinder Mage
2 Negate
2 Echoing Truth
2 Relic of Progenitus