Main deck (60)
3 Archmage's Charm
4 Breeding Pool
1 Cavern of Souls
4 Collected Company
3 Flooded Strand
3 Force of Negation
1 Forest
1 Harbinger of the Tides
3 Island
2 Lord of Atlantis
4 Master of the Pearl Trident
3 Merfolk Trickster
4 Merrow Reejerey
4 Misty Rainforest
1 Otawara, Soaring City
1 Polluted Delta
4 Silvergill Adept
4 Svyelun of Sea and Sky
4 Tide Shaper
4 Utopia Sprawl
2 Waterlogged Grove

Sideboard (15)
3 Chalice of the Void
1 Kira, Great Glass-Spinner
2 Reclamation Sage
3 Relic of Progenitus
3 Subtlety
3 Veil of Summer