4 Botanical Sanctum
2 Breeding Pool
1 Cavern of Souls
5 Island
4 Mutavault
4 Waterlogged Grove
4 Aether Vial
2 Brazen Borrower // Petty Theft
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 Silvergill Adept
4 Spreading Seas
2 Thassa, God of the Sea
Sideboard:
3 Echoing Truth
2 Hibernation
2 Pithing Needle
3 Relic of Progenitus
2 Spell Pierce
2 Steel Sabotage
1 Tidebinder Mage