1 Command Tower
1 Dimir Guildgate
1 Dismal Backwater
1 Havengul Laboratory // Havengul Mystery
15 Island
1 Submerged Boneyard
15 Swamp
1 The Grey Havens
1 Waterfront District
1 Ace's Baseball Bat
1 Agent of the Shadow Thieves
1 Aqueous Form
1 Bident of Thassa
1 Bottomless Pool // Locker Room
1 Candlekeep Sage
1 Central Elevator // Promising Stairs
1 Cramped Vents // Access Maze
1 Curiosity
1 Dark Tutelage
1 Deep Analysis
1 Defiled Crypt // Cadaver Lab
1 Demonic Embrace
1 Derelict Attic // Widow's Walk
1 Doomwake Giant
1 Eaten by Piranhas
1 Erebos, Bleak-Hearted
1 Erebos's Emissary
1 Eriette's Tempting Apple
1 Eye of Vecna
1 Fear of Failed Tests
1 Fear of Impostors
1 Fear of Infinity
1 Fungal Fortitude
1 Get Out
1 Ghost of Ramirez DePietro
1 Glimmerburst
1 Grazilaxx, Illithid Scholar
1 Hand of Vecna
1 Hateful Eidolon
1 Herald of Torment
1 Isildur's Fateful Strike
1 Jacob Hauken, Inspector // Hauken's Insight
1 King Narfi's Betrayal
1 Lord Skitter's Blessing
1 Mask of Griselbrand
1 Meat Locker // Drowned Diner
1 Minion's Return
1 Mirri the Cursed
1 Murder
1 Nashi, Searcher in the Dark
1 Negate
1 Nighthowler
1 Nimbus Naiad
1 Ordeal of Thassa
1 Phial of Galadriel
1 Raul, Trouble Shooter
1 Scour All Possibilities
1 Skullsnap Nuisance
1 Smoke Shroud
1 Sword Coast Sailor
1 Taken by Nightmares
1 Thassa's Emissary
1 The Book of Vile Darkness
1 Thran Vigil
1 Tolarian Contempt
1 Underwater Tunnel // Slimy Aquarium
1 Vadmir, New Blood
1 Vohar, Vodalian Desecrator
1 Yawgmoth's Vile Offering
Sideboard:
1 Aphemia, the Cacophony
1 Barad-dûr
1 Callaphe, Beloved of the Sea
1 Combat Research
1 Grim Guardian
1 Rona, Sheoldred's Faithful
1 Shimmerwing Chimera
1 Tormod, the Desecrator
1 Tymaret, Chosen from Death
1 Uchbenbak, the Great Mistake