Sideboard:
1 Arcanis the Omnipotent
1 Archipelagore
1 Azami, Lady of Scrolls
1 Baral, Chief of Compliance
1 Caller of Gales
1 Cloudstone Curio
1 Coralhelm Guide
1 Dakra Mystic
1 Deep-Sea Terror
1 Dream Halls
1 Elder Deep-Fiend
1 Emry, Lurker of the Loch
1 Extraplanar Lens
1 Fierce Guardianship
1 Gearseeker Serpent
1 Harbinger of the Tides
1 Harbor Serpent
1 Inga Rune-Eyes
1 Jace Beleren
1 Jace, Memory Adept
1 Jace, Wielder of Mysteries
1 Kami of the Crescent Moon
1 Kasmina, Enigmatic Mentor
1 Lighthouse Chronologist
1 Memnarch
1 Merfolk Looter
1 Merfolk Seastalkers
1 Merfolk Secretkeeper // Venture Deeper
1 Merfolk Wayfinder
1 Minn, Wily Illusionist
1 Moonlit Scavengers
1 Mox Amber
1 Mu Yanling
1 Narset, Parter of Veils
1 Naru Meha, Master Wizard
1 Nezahal, Primal Tide
1 Octavia, Living Thesis
1 Orvar, the All-Form
1 Padeem, Consul of Innovation
1 Reef Shaman
1 River Serpent
1 Riverwise Augur
1 Sage of the Falls
1 Scourge of Fleets
1 Sea Monster
1 Serpent of the Endless Sea
1 Shipbreaker Kraken
1 Slinn Voda, the Rising Deep
1 Snow-Covered Island
3 Snow-Covered Island
19 Snow-Covered Island
1 Spawning Kraken
1 Stormtide Leviathan
1 Striped Riverwinder
1 Swan Song
1 Teferi, Temporal Archmage
1 Tomorrow, Azami's Familiar
1 Trench Behemoth
1 Tromokratis
1 Vodalian Illusionist
1 Watertrap Weaver
1 Windrider Patrol
1 Zahid, Djinn of the Lamp