2 Maximize Altitude
3 Mission Briefing
4 Drowned Secrets
4 Discovery/Dispersal
4 Opt
4 Radical Idea
4 Creeping Chill
4 Unsummon
3 Narcomoeba
4 Arclight Phoenix
4 Merfolk Secretkeeper
2 Castle Vantress
4 Watery Grave
14 Island
Sideboard
2 Ashiok, Dream Render
2 Disdainful Stroke
3 Mystical Dispute
2 Jace, Wielder of Mysteries
1 Narset, Parter of Veils
2 Negate
3 Aether Gust