1 Bojuka Bog
1 Contaminated Aquifer
1 Creeping Tar Pit
1 Dimir Aqueduct
1 Fetid Pools
1 Ice Tunnel
12 Island
1 Sunken Hollow
12 Swamp
1 Temple of Deceit
1 Underground River
1 Underground Sea
1 Watery Grave
1 Ancient Brass Dragon
1 Ancient Excavation
1 Baleful Strix
1 Behold the Beyond
1 Behold the Multiverse
1 Blood Money
1 Body Double
1 Boon of the Wish-Giver
1 Brainstealer Dragon
1 Breach the Multiverse
1 Captain N'ghathrod
1 Consuming Aberration
1 Corpseweft
1 Crush of Tentacles
1 Damnation
1 Didn't Say Please
1 Dig Through Time
1 Dimir Charm
1 Dimir Signet
1 Doom Blade
1 Drown in Dreams
1 Drown in the Loch
1 Duskmantle Guildmage
1 Enlightened Maniac
1 Extract from Darkness
1 Feed the Swarm
1 First-Sphere Gargantua
1 Geralf's Mindcrusher
1 Glasspool Mimic // Glasspool Shore
1 Grazilaxx, Illithid Scholar
1 Grell Philosopher
1 Hero's Downfall
1 Hostage Taker
1 Invasion of Amonkhet // Lazotep Convert
1 King Narfi's Betrayal
1 Mesmeric Fiend
1 Mind Flayer
1 Mindshrieker
1 Mistvein Borderpost
1 Mulldrifter
1 Nemesis of Reason
1 Nighthowler
1 Notion Rain
1 Overcharged Amalgam
1 Poison the Cup
1 Ponder
1 Preordain
1 Psionic Ritual
1 Ravenous Chupacabra
1 Remand
1 Ritual of Soot
1 Rona, Herald of Invasion // Rona, Tolarian Obliterator
1 Runo Stromkirk // Krothuss, Lord of the Deep
1 Sludge Monster
1 Soul Manipulation
1 Tainted Indulgence
1 Talisman of Dominance
1 Thief of Sanity
1 Thing in the Ice // Awoken Horror
1 Thought Collapse
1 Thought Erasure
1 Uchuulon
1 Vohar, Vodalian Desecrator
1 Wharf Infiltrator
1 Zellix, Sanity Flayer
Sideboard:
1 Doom Weaver
1 Graf Rats
1 Midnight Scavengers
1 Snapcaster Mage