4 Breeding Pool
5 Forest
4 Hinterland Harbor
7 Island
3 Temple of Mystery
1 Blink of an Eye
4 Brineborn Cutthroat
4 Essence Scatter
3 Frilled Mystic
2 Merfolk Trickster
2 Negate
4 Nightpack Ambusher
4 Opt
4 Sinister Sabotage
3 Spectral Sailor
4 Syncopate
2 Unsummon
Sideboard:
3 Aether Gust
1 Crushing Canopy
2 Entrancing Melody
2 Negate
1 Return to Nature
1 Shifting Ceratops
3 Veil of Summer
2 Voracious Hydra