21 Island
2 Claustrophobia
4 Deeproot Waters
4 Into the Roil
4 Merfolk Sovereign
2 Merrow Commerce
2 Merrow Reejerey
4 Mist-Cloaked Herald
4 Quasiduplicate
4 River Sneak
4 Seafloor Oracle
4 Sinister Sabotage
1 Wanderwine Prophets
Sideboard:
1 Sleep
1 Tidal Courier