3 Breeding Pool
1 Cavern of Souls
3 Flooded Strand
3 Island
4 Mutavault
4 Waterlogged Grove
4 Aether Vial
2 Benthic Biomancer
4 Force of Negation
4 Kumena's Speaker
4 Lord of Atlantis
4 Master of the Pearl Trident
4 Merfolk Mistbinder
4 Merfolk Trickster
4 Once Upon a Time
4 Silvergill Adept
4 Spreading Seas
Sideboard:
3 Collector Ouphe
2 Deprive
2 Dismember
1 Echoing Truth
2 Grafdigger's Cage
1 Spell Pierce
2 Tidebinder Mage
2 Veil of Summer