1 Castle Vantress
1 Command Tower
1 Dreamroot Cascade
11 Forest
1 Hinterland Harbor
21 Island
1 Reliquary Tower
1 Woodland Stream
1 Ancient Silver Dragon
1 Aquatic Incursion
1 Aquitect's Will
1 Arcane Denial
1 Arcane Signet
1 Beast Within
1 Beguiler of Wills
1 Benthic Biomancer
1 Broken Bond
1 Cancel
1 Coat of Arms
1 Cold-Eyed Selkie
1 Combine Guildmage
1 Commander's Sphere
1 Cosi's Trickster
1 Counterspell
1 Cultivate
1 Deeproot Champion
1 Deeproot Elite
1 Deeproot Waters
1 Emperor Mihail II
1 Essence Capture
1 Farseek
1 Forerunner of the Heralds
1 Gray Harbor Merfolk
1 Growth Spiral
1 Harbinger of the Tides
1 Harrow
1 Incubation // Incongruity
1 Ixidron
1 Kasmina's Transmutation
1 Kodama's Reach
1 Kopala, Warden of Waves
1 Lullmage Mentor
1 Mana Leak
1 Mass Manipulation
1 Master of the Pearl Trident
1 Merfolk Looter
1 Merfolk Mistbinder
1 Merfolk Skydiver
1 Merfolk Sovereign
1 Merfolk Trickster
1 Merrow Harbinger
1 Migration Path
1 Mist-Cloaked Herald
1 Negate
1 Rampant Growth
1 Ravenform
1 River Sneak
1 River's Rebuke
1 Seafloor Oracle
1 Seahunter
1 Shapers of Nature
1 Slinn Voda, the Rising Deep
1 Stonybrook Banneret
1 Streambed Aquitects
1 Tatyova, Benthic Druid
1 Tempest Caller
1 Tishana, Voice of Thunder
1 Vanquisher's Banner
1 Vorel of the Hull Clade
1 Zegana, Utopian Speaker
Sideboard:
1 Counterspell
1 Growth Spasm
1 Icon of Ancestry