4 Drowned Catacomb
5 Island
4 Mystic Sanctuary
4 Sunken Hollow
2 Swamp
3 Watery Grave
2 Abrupt Decay
1 Assassin's Trophy
4 Creeping Chill
2 Fatal Push
4 Grim Flayer
3 Gurmag Angler
4 Jace, Wielder of Mysteries
2 Merfolk Secretkeeper // Venture Deeper
3 Mire Triton
4 Narcomoeba
4 Prized Amalgam
3 Stubborn Denial
1 Thassa's Oracle
2 Thoughtseize
Sideboard:
4 Fatal Push
2 Gadwick, the Wizened
1 Leyline of the Void
2 Tormod's Crypt