Main deck (60) 4 Arclight Phoenix 2 Beacon Bolt 4 Crackling Drake 4 Discovery // Dispersal 4 Goblin Electromancer 6 Island 4 Merchant of the Vale 8 Mountain 4 Opt 3 Radical Idea 3 Saheeli, Sublime Artificer 4 Shock 4 Steam Vents 4 Thrill of Possibility 2 Watery Grave Sideboard (15) 2 Lava Coil 3 Legion Warboss 4 Mystical Dispute 3 Niv-Mizzet, Parun 3 Redcap Melee