3 Flooded Strand
1 Hallowed Fountain
10 Island
6 Plains
3 Prairie Stream
1 Vivid Meadow
1 Ambassador Laquatus
1 Door of Destinies
4 Drowner of Secrets
2 Fallowsage
1 Grimoire Thief
1 Harbinger of the Tides
3 Judge of Currents
2 Merrow Reejerey
1 Oblivion Ring
1 Shapesharer
1 Silvergill Adept
4 Silvergill Douser
1 Sphinx's Tutelage
1 Spreading Seas
1 Stonybrook Banneret
1 Stonybrook Schoolmaster
1 Summon the School
4 Surgespanner
2 Sygg, River Guide
2 Traumatize
1 Wake Thrasher
Sideboard:
1 Ambassador Laquatus
1 Austere Command
1 Crib Swap
2 Cursecatcher
1 Disperse
4 Lord of Atlantis
1 Master of the Pearl Trident
1 Mizzium Meddler
1 Oblivion Ring
2 Puresight Merrow
4 Sea's Claim
1 Stonybrook Angler
1 Sygg, River Guide
1 Teferi's Moat
1 Thada Adel, Acquisitor
2 Tidebinder Mage
1 Veteran of the Depths