1 Alchemist's Refuge
1 Botanical Sanctum
1 Breeding Pool
1 Command Tower
1 Exotic Orchard
1 Flooded Grove
9 Forest
10 Island
1 Lonely Sandbar
1 Misty Rainforest
1 Mosswort Bridge
1 Prismatic Vista
1 Reliquary Tower
1 Strip Mine
1 Temple of Mystery
1 Thespian's Stage
1 Tranquil Thicket
1 Waterlogged Grove
1 Yavimaya Coast
1 Archetype of Imagination
1 Arixmethes, Slumbering Isle
1 Birds of Paradise
1 Brainstorm
1 Breaching Leviathan
1 Chasm Skulker
1 Coiling Oracle
1 Colossal Majesty
1 Colossal Whale
1 Counterspell
1 Crush of Tentacles
1 Cyclonic Rift
1 Deepchannel Mentor
1 Devastation Tide
1 Elder Deep-Fiend
1 Finale of Devastation
1 Fireshrieker
1 Fleet Swallower
1 Frantic Search
1 Growth Spiral
1 Hadana's Climb // Winged Temple of Orazca
1 Heroic Intervention
1 Hydroid Krasis
1 Kiora, Master of the Depths
1 Kiora, the Crashing Wave
1 Kiora's Follower
1 Krosan Grip
1 Lightning Greaves
1 Lorthos, the Tidemaker
1 Loxodon Warhammer
1 Manifold Insights
1 Mesmerizing Benthid
1 Nezahal, Primal Tide
1 Nissa, Steward of Elements
1 Nylea, God of the Hunt
1 Overwhelming Stampede
1 Ponder
1 Preordain
1 Prime Speaker Zegana
1 Rhonas the Indomitable
1 Rhystic Study
1 Rishkar's Expertise
1 Rite of Replication
1 Rude Awakening
1 Scourge of Fleets
1 Serum Visions
1 Simic Signet
1 Simic Sky Swallower
1 Slinn Voda, the Rising Deep
1 Sol Ring
1 Stormsurge Kraken
1 Swiftfoot Boots
1 Talisman of Curiosity
1 Tatyova, Benthic Druid
1 Teferi's Response
1 Thassa, God of the Sea
1 Thing in the Ice // Awoken Horror
1 Tromokratis
1 Trygon Predator
1 Unexpected Results
1 Voidslime
1 Vortex Elemental
1 Whelming Wave
1 Whispersilk Cloak
Sideboard:
1 Blighted Woodland
1 Command Beacon
1 Elemental Bond
1 Explore
1 Flusterstorm
1 Gitaxian Probe
1 Inkwell Leviathan
1 Island
1 Regrowth
1 Stormtide Leviathan
1 Traverse the Outlands