1 Arcane Lighthouse
19 Island
10 Plains
1 Temple of the False God
1 Tranquil Cove
1 Arcanis the Omnipotent
1 Argentum Armor
1 Bident of Thassa
1 Blockade Runner
1 Caged Sun
1 Coralhelm Commander
1 Cosi's Trickster
1 Curse of the Forsaken
1 Cyclonic Rift
1 Dakra Mystic
1 Darting Merfolk
1 Deepchannel Mentor
1 Drowner Initiate
1 Empress Galina
1 Enclave Cryptologist
1 Fallowsage
1 Frostwind Invoker
1 Gilded Lotus
1 Halimar Wavewatch
1 Harpoon Sniper
1 Ink Dissolver
1 Judge of Currents
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
1 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Reejerey
1 Mirror Entity
1 Overtaker
1 Pemmin's Aura
1 Propaganda
1 Reef Shaman
1 Rhystic Study
1 Ring of Evos Isle
1 Rootwater Matriarch
1 Rootwater Thief
1 Sage of Fables
1 Scroll Thief
1 Seasinger
1 Skywatcher Adept
1 Sol Ring
1 Staff of the Mind Magus
1 Stonybrook Banneret
1 Stonybrook Schoolmaster
1 Stormtide Leviathan
1 Summon the School
1 Surgespanner
1 Sygg, River Guide
1 Talrand, Sky Summoner
1 Tamiyo, the Moon Sage
1 Teferi, Temporal Archmage
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Tidal Visionary
1 Tidal Wave
1 Tidebinder Mage
1 Tideshaper Mystic
1 True Conviction
1 True-Name Nemesis
1 Veteran of the Depths
1 Vodalian Mage
1 Wake Thrasher
1 Wanderwine Prophets
1 Wash Out
1 Well of Ideas
1 Wellgabber Apothecary
Sideboard:
1 Azorius Chancery
1 Sejiri Refuge