6 Forest
2 Foul Orchard
4 Island
2 Submerged Boneyard
6 Swamp
2 Woodland Stream
3 Dive Down
3 Herald of Secret Streams
4 Merfolk Branchwalker
3 River Heralds' Boon
4 Seekers' Squire
3 Shadowed Caravel
4 Siren Lookout
3 Tishana's Wayfinder
3 Walk the Plank
4 Wildgrowth Walker
4 Winding Constrictor
Sideboard:
4 Blossoming Defense
4 Cobbled Wings
4 Dire Fleet Interloper
4 Ixalli's Diviner
4 River Heralds' Boon
1 Shadowed Caravel
1 Tishana's Wayfinder
1 Walk the Plank