Main deck (60) 4 Act on Impulse 4 Cathartic Reunion 4 Chain Lightning 4 Collective Defiance 4 Gitaxian Probe 2 Grapeshot 4 Hazoret's Undying Fury 18 Mountain 4 Pyretic Ritual 4 Pyromancer Ascension 4 Seething Song 4 Thrill of Possibility Sideboard (15) 4 Guttural Response 4 Ravenous Trap 3 Shredded Sails 4 Sweltering Suns