Main deck (60) 4 Boros Guildgate 4 Chain Lightning 4 Countervailing Winds 4 Crackling Perimeter 4 Gatebreaker Ram 4 Gate Colossus 4 Gatecreeper Vine 1 Gate Smasher 4 Gateway Plaza 4 Gruul Guildgate 4 Izzet Guildgate 1 Negate 4 Opal Lake Gatekeepers 4 Open the Gates 4 Rakdos Guildgate 4 Simic Guildgate 2 Smelt-Ward Gatekeepers Sideboard (15) 4 Claim the Firstborn 2 Copy Enchantment 4 Gates Ablaze 3 Negate 2 Smelt-Ward Gatekeepers