1 Barren Moor
1 Command Tower
1 Coral Atoll
1 Dark Depths
1 Darkslick Shores
1 Darkwater Catacombs
1 Dimir Aqueduct
1 Drowned Catacomb
1 Frost Marsh
1 Halimar Depths
11 Island
1 Jwar Isle Refuge
1 Leechridden Swamp
1 Lonely Sandbar
1 Minamo, School at Water's Edge
1 Moonring Island
1 Piranha Marsh
1 Polluted Mire
1 Reliquary Tower
1 Remote Isle
1 Salt Marsh
1 Shizo, Death's Storehouse
1 Sunken Ruins
4 Swamp
1 Tolaria West
1 Vivid Creek
1 Vivid Marsh
1 Watery Grave
1 Ambassador Laquatus
1 Annul
1 Aquitect's Will
1 Blatant Thievery
1 Brine Elemental
1 Capsize
1 Coastal Piracy
1 Commandeer
1 Counterspell
1 Countersquall
1 Cyclonic Rift
1 Damnation
1 Deep-Sea Kraken
1 Deepchannel Mentor
1 Desertion
1 Devastation Tide
1 Dire Undercurrents
1 Distorting Wake
1 Drowned
1 Gravelgill Duo
1 Hedron Crab
1 High Seas
1 Hinder
1 Hoodwink
1 Immobilizing Ink
1 Inkfathom Infiltrator
1 Into the Roil
1 Inundate
1 Keiga, the Tide Star
1 Last Word
1 Lorthos, the Tidemaker
1 Merfolk Sovereign
1 Monomania
1 Narwhal
1 Nemesis of Reason
1 Overtaker
1 Painful Quandary
1 Perplex
1 Pirate Ship
1 Ramirez DePietro
1 Recoil
1 Reduce to Dreams
1 Reef Pirates
1 Reef Shaman
1 Seasinger
1 Skeleton Ship
1 Spell Crumple
1 Star Compass
1 Steel Sabotage
1 Stolen Goods
1 Stormtide Leviathan
1 Talas Warrior
1 Telekinetic Bonds
1 Tidal Warrior
1 Tideshaper Mystic
1 Treasure Hunt
1 Treasure Trove
1 Will-o'-the-Wisp
1 Wrexial, the Risen Deep
Sideboard:
1 Artificial Evolution
1 Chronic Flooding
1 Countersquall
1 Cryptic Command
1 Dehydration
1 Drowner Initiate
1 Giant Crab
1 Hedron Crab
1 Helm of the Ghastlord
1 Hollowsage
1 Inundate
1 Killer Whale
1 Larceny
1 Liliana's Caress
1 Llawan, Cephalid Empress
1 Mana Skimmer
1 Merfolk Mesmerist
1 Mind Bend
1 Narwhal
1 Psychic Spiral
1 Quest for Ula's Temple
1 Seasinger
1 Trickbind