1 Halimar Depths
34 Island
1 Path of Ancestry
1 Altar of the Brood
1 Aquatic Incursion
1 Aquitect's Will
1 Augur of Bolas
1 Bident of Thassa
1 Brineborn Cutthroat
1 Caller of Gales
1 Cloak of Mists
1 Coralhelm Commander
1 Cosi's Trickster
1 Crashing Tide
1 Cyclonic Rift
1 Deepchannel Mentor
1 Deeproot Waters
1 Distant Melody
1 Dramatic Reversal
1 Drowner of Secrets
1 Empress Galina
1 Enclave Cryptologist
1 Fallowsage
1 Flusterstorm
1 Force of Negation
1 Freed from the Real
1 Harbinger of the Tides
1 Herald of Secret Streams
1 Isochron Scepter
1 Kindred Discovery
1 Kopala, Warden of Waves
1 Leyline of Anticipation
1 Lullmage Mentor
1 Merfolk Looter
1 Merfolk Mesmerist
1 Merfolk Secretkeeper // Venture Deeper
1 Merfolk Skyscout
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Minds Aglow
1 Mist-Cloaked Herald
1 Mistcaller
1 Moonlit Scavengers
1 Mystical Tutor
1 Opt
1 Ponder
1 Quicksilver Fountain
1 Rhystic Study
1 River Sneak
1 Riverwise Augur
1 Rootwater Thief
1 Seafloor Oracle
1 Silvergill Adept
1 Sol Ring
1 Spreading Seas
1 Stonybrook Banneret
1 Streambed Aquitects
1 Surgespanner
1 Tale's End
1 Talrand, Sky Summoner
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thassa's Bounty
1 Thassa's Rebuff
1 Tidal Warrior
1 Treasure Hunt
1 Wake Thrasher
1 Wanderwine Prophets
1 Wonder
Sideboard:
1 Cavern of Souls
1 Coastal Piracy
1 Cursecatcher
1 Grafted Exoskeleton
1 Grimoire Thief
1 High Tide
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Muddle the Mixture
1 Obelisk of Urd
1 Preordain
1 Sapphire Medallion
1 Seahunter
1 Skullclamp
1 Stoneforge Masterwork
1 Thought Vessel
1 True-Name Nemesis