1 Castle Vantress
1 Fabled Passage
1 Halimar Depths
21 Island
1 Lonely Sandbar
1 Minamo, School at Water's Edge
1 Mutavault
1 Myriad Landscape
1 Mystic Sanctuary
1 Nykthos, Shrine to Nyx
1 Otawara, Soaring City
1 Path of Ancestry
1 Prismatic Vista
1 Reliquary Tower
1 Rivendell
1 Aetherize
1 Aquitect's Will
1 Arcane Denial
1 Arcane Signet
1 Asinine Antics
1 Augur of Bolas
1 Brainstorm
1 Commander's Sphere
1 Cosi's Trickster
1 Counterspell
1 Cyclonic Rift
1 Deepchannel Mentor
1 Distant Melody
1 Emperor Mihail II
1 Fierce Guardianship
1 Filter Out
1 Gray Harbor Merfolk
1 Herald's Horn
1 Heraldic Banner
1 High Tide
1 Kefnet's Monument
1 Kindred Discovery
1 Kopala, Warden of Waves
1 Leyline of Anticipation
1 Lord of Atlantis
1 Lullmage Mentor
1 Mana Drain
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Commerce
1 Merrow Reejerey
1 Metallic Mimic
1 Mist Dancer
1 Mist-Cloaked Herald
1 Mystic Remora
1 Ponder
1 Pongify
1 Preordain
1 Progenitor's Icon
1 Quicksilver Fountain
1 Raise the Palisade
1 Rapid Hybridization
1 Reflections of Littjara
1 River Sneak
1 Sapphire Medallion
1 Sea Scryer
1 Sea's Claim
1 Seafloor Oracle
1 Silvergill Adept
1 Sol Ring
1 Spreading Seas
1 Stonybrook Banneret
1 Svyelun of Sea and Sky
1 Tempest Caller
1 Thada Adel, Acquisitor
1 Thieving Skydiver
1 Throne of Eldraine
1 Tide Shaper
1 Titan of Littjara
1 Vanquisher's Banner
1 Vodalian Hexcatcher
1 Wanderwine Prophets
1 Wizard Class
Sideboard:
1 Fellwar Stone
1 Midnight Clock
1 Negate
1 Pillar of Origins
1 River's Rebuke
1 Sky Diamond
1 Spectral Deluge
1 Sword of the Animist
1 Thought Vessel
1 Wayfarer's Bauble