1 Command Tower
11 Forest
1 Hinterland Harbor
18 Island
1 Karn's Bastion
1 Simic Growth Chamber
1 Simic Guildgate
1 Thornwood Falls
1 Biogenic Upgrade
1 Brineborn Cutthroat
1 Cold-Eyed Selkie
1 Combine Guildmage
1 Contentious Plan
1 Counterspell
1 Courage in Crisis
1 Deeproot Champion
1 Deeproot Elite
1 Deeproot Waters
1 Disrupt
1 Door of Destinies
1 Essence Capture
1 Exclude
1 Force Spike
1 Forerunner of the Heralds
1 Gladehart Cavalry
1 Growth Spiral
1 Guardian Project
1 Herald of Secret Streams
1 Hydra's Growth
1 Inkfathom Divers
1 Invigorating Surge
1 Jade Bearer
1 Jade Guardian
1 Jadelight Ranger
1 Jiang Yanggu, Wildcrafter
1 Jungle Delver
1 Kopala, Warden of Waves
1 Kumena, Tyrant of Orazca
1 Master of the Pearl Trident
1 Merfolk Branchwalker
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merrow Reejerey
1 Metallic Mimic
1 Mind Spring
1 Mist-Cloaked Herald
1 Negate
1 No Escape
1 Path of Discovery
1 Planewide Celebration
1 Plummet
1 Progenitor Mimic
1 Reef Shaman
1 River Heralds' Boon
1 River's Rebuke
1 Roalesk, Apex Hybrid
1 Saltwater Stalwart
1 Scroll Thief
1 Seafloor Oracle
1 Seasinger
1 Simic Ascendancy
1 Simic Cluestone
1 Simic Signet
1 Song of Freyalise
1 Streambed Aquitects
1 Strength of the Pack
1 Teferi's Time Twist
1 The Great Henge
1 The Ozolith
1 Thrive
1 Voidslime
1 Vorel of the Hull Clade
1 Zegana, Utopian Speaker
Sideboard:
1 Cultivate
1 Harbinger of the Tides
1 Maximize Altitude
2 Merfolk
1 Rapid Hybridization
1 Salvager of Secrets
1 Shadow Rift
1 Simic Locket
1 Stealth Mission
1 Stinging Shot
1 Stony Strength
1 Tidal Warrior
1 Turn Aside