1 Cavern of Souls
32 Island
1 Maze of Ith
1 Myriad Landscape
1 Reliquary Tower
1 Riptide Laboratory
1 Thawing Glaciers
1 Aetherize
1 Aquitect's Will
1 Artificial Evolution
1 Bident of Thassa
1 Blue Sun's Zenith
1 Boomerang
1 Caged Sun
1 Capsize
1 Coat of Arms
1 Confound
1 Counterspell
1 Cyclonic Rift
1 Deepchannel Mentor
1 Devastation Tide
1 Dig Through Time
1 Distant Melody
1 Dizzy Spell
1 Extraplanar Lens
1 Fact or Fiction
1 Flow of Ideas
1 Imprisoned in the Moon
1 Lightning Greaves
1 Lord of Atlantis
1 Mana Crypt
1 Merchant Scroll
1 Merfolk Sovereign
1 Merrow Reejerey
1 Muddle the Mixture
1 Mystic Confluence
1 Mystic Remora
1 Mystic Speculation
1 Mystical Tutor
1 Ovinize
1 Pongify
1 Quicksilver Fountain
1 Reality Shift
1 Recurring Insight
1 Rewind
1 Sapphire Medallion
1 Sea Scryer
1 Sea's Claim
1 Seahunter
1 Sky Diamond
1 Snapcaster Mage
1 Sol Ring
1 Spreading Seas
1 Standardize
1 Stormtide Leviathan
1 Sword of Feast and Famine
1 Talrand, Sky Summoner
1 Teferi, Mage of Zhalfir
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Thought Vessel
1 Thran Dynamo
1 Treasure Cruise
1 Turn Aside
1 Unnatural Selection
1 Vedalken Plotter
1 Venser's Journal
1 Wash Out
1 Xenograft
Sideboard:
1 Aquitect's Will
1 Artificial Evolution
2 Bident of Thassa
1 Call to the Kindred
1 Cavern of Souls
1 Coat of Arms
1 Coralhelm Commander
1 Deepchannel Mentor
1 Dizzy Spell
1 Enclave Cryptologist
1 Fallowsage
1 Harbinger of the Tides
1 Lord of Atlantis
1 Lullmage Mentor
1 Master of the Pearl Trident
1 Master of Waves
2 Merfolk Sovereign
1 Merrow Commerce
1 Merrow Harbinger
1 Merrow Reejerey
1 Mystical Tutor
1 Opposition
1 Quicksilver Fountain
1 Sea Scryer
1 Sea's Claim
1 Seahunter
1 Snapcaster Mage
1 Spreading Seas
1 Standardize
1 Stonybrook Banneret
1 Stormtide Leviathan
1 Surgespanner
1 Teferi, Mage of Zhalfir
1 Thada Adel, Acquisitor
1 Thassa, God of the Sea
1 Tideshaper Mystic
1 True-Name Nemesis
1 Unnatural Selection
1 Vedalken Plotter
1 Wanderwine Prophets
1 Xenograft