21 Island
2 Nykthos, Shrine to Nyx
2 Bident of Thassa
2 Cloudform
3 Frost Walker
4 Gudul Lurker
2 Hall of Triumph
4 Hypnotic Siren
2 Icefall Regent
4 Master of Waves
2 Reality Shift
4 Shorecrasher Elemental
3 Stratus Dancer
3 Thassa, God of the Sea
2 Vaporkin
Sideboard:
3 Omenspeaker
1 Polymorphist's Jest