1 Command Tower
1 Halimar Depths
26 Island
1 Mystic Sanctuary
1 Path of Ancestry
1 Radiant Fountain
1 Reliquary Tower
1 Uncharted Haven
1 Akroma's Memorial
1 Andúril, Narsil Reforged
1 Archetype of Imagination
1 Archive Dragon
1 Benthic Behemoth
1 Bewitching Leechcraft
1 Bitter Chill
1 Capture Sphere
1 Charmed Sleep
1 Chasm Skulker
1 Cold-Eyed Selkie
1 Colossal Whale
1 Coral Barrier
1 Deeptread Merrow
1 Devouring Deep
1 Dragon Throne of Tarkir
1 Elixir of Immortality
1 Emperor Mihail II
1 Enclave Elite
1 Finale of Revelation
1 Fishliver Oil
1 Freeze in Place
1 Grayscaled Gharial
1 Halimar Wavewatch
1 Harbor Serpent
1 Ice Cage
1 Ice Out
1 Inkfathom Divers
1 Inkwell Leviathan
1 Involuntary Cooldown
1 Jace Beleren
1 Jin-Gitaxias, Core Augur
1 Jwari Disruption // Jwari Ruins
1 Koilos Roc
1 Lord of Atlantis
1 Master of the Pearl Trident
1 Merfolk Raiders
1 Merfolk Seastalkers
1 Merfolk Spy
1 Merrow Harbinger
1 Mesmerizing Dose
1 Mind Control
1 Obyra's Attendants // Desperate Parry
1 Omniscience
1 Part Water
1 Piracy Charm
1 Quicksilver Amulet
1 Quietus Spike
1 Rishadan Dockhand
1 River Sneak
1 Rootwater Commando
1 Segovian Leviathan
1 Spine of Ish Sah
1 Spreading Seas
1 Stonybrook Banneret
1 Stormtide Leviathan
1 Streambed Aquitects
1 Teferi, Temporal Pilgrim
1 Tezzeret, Artifice Master
1 Thada Adel, Acquisitor
1 The Flood of Mars
1 The Millennium Calendar
1 Thran Dynamo
1 Urza's Rebuff
1 Weakstone's Subjugation
1 Wizard Class
1 Wonder
Sideboard:
1 Callaphe, Beloved of the Sea
1 Orbs of Warding
1 Pristine Talisman