5 Forest
7 Island
2 Lonely Sandbar
1 Simic Guildgate
4 Thornwood Falls
1 Woodland Stream
1 Aquatic Incursion
1 Aquitect's Will
1 Blinding Fog
1 Claustrophobia
1 Cold-Eyed Selkie
1 Cyclonic Rift
1 Dramatic Reversal
1 Engulf the Shore
2 Essence Scatter
2 Forerunner of the Heralds
1 Grasping Current
1 Harbinger of the Tides
1 Herald of Secret Streams
1 Jace, Ingenious Mind-Mage
1 Jade Bearer
1 Kumena, Tyrant of Orazca
1 Master of the Pearl Trident
1 Merfolk Looter
2 Merfolk Mistbinder
2 Merfolk Sovereign
1 Merrow Reejerey
1 Misdirection
2 Mist-Cloaked Herald
1 One With the Wind
1 Path of Discovery
1 River Heralds' Boon
2 Streambed Aquitects
1 Supreme Will
1 Tempest Caller
1 Tidal Courier
2 Tidal Warrior
2 Wake Thrasher
Sideboard:
1 Cancel
1 Convolute
1 Crashing Tide
1 Descendants' Path
1 Dolmen Gate
1 Dramatic Reversal
1 Essence Scatter
1 Failed Inspection
1 Mana Leak
1 Merfolk Looter
1 Metallic Mimic
1 Mist-Cloaked Herald
1 Urza's Incubator
1 Vault Skyward