1 Bloodstained Mire
1 Command Tower
1 Dimir Aqueduct
1 Dimir Guildgate
1 Dismal Backwater
1 Drowned Catacomb
1 Evolving Wilds
1 Flooded Strand
10 Island
1 Jwar Isle Refuge
1 Mutavault
1 Polluted Delta
10 Swamp
1 Tainted Isle
1 Temple of Deceit
1 Urborg, Tomb of Yawgmoth
1 Watery Grave
1 Augur of Bolas
1 Boomerang
1 Brainstorm
1 Capsize
1 Clever Impersonator
1 Clone
1 Coralhelm Commander
1 Counterspell
1 Countersquall
1 Cyclonic Rift
1 Dakra Mystic
1 Daze
1 Deepchannel Mentor
1 Dimir Signet
1 Dismember
1 Dismiss
1 Dispel
1 Doom Blade
1 Empress Galina
1 Enclave Cryptologist
1 Fact or Fiction
1 Future Sight
1 Gravelgill Duo
1 Inkfathom Infiltrator
1 Inkfathom Witch
1 Into the Roil
1 Kira, Great Glass-Spinner
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Mental Misstep
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Mind Grind
1 Murder
1 Necropotence
1 Notion Thief
1 Phantasmal Image
1 Plea for Power
1 Ponder
1 Preordain
1 Rapid Hybridization
1 Reef Shaman
1 Seahunter
1 Shapesharer
1 Silvergill Adept
1 Sol Ring
1 Spreading Seas
1 Stifle
1 Stonybrook Banneret
1 Stormtide Leviathan
1 Submerge
1 Sygg, River Cutthroat
1 Talrand, Sky Summoner
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Tidal Courier
1 Tidebinder Mage
1 Tragic Slip
1 Treasure Cruise
1 Undermine
1 Vapor Snag
Sideboard:
1 Baleful Strix
1 Harbinger of the Tides
1 True-Name Nemesis