Main deck (60) 3 Aether Membrane 2 Assemble the Legion 4 Azorius Guildgate 4 Boros Guildgate 3 Chained to the Rocks 4 Doorkeeper 4 Evolving Wilds 3 Guard Gomazoa 4 Island 4 Make a Stand 3 Mountain 4 Perimeter Captain 4 Plains 4 Psychic Membrane 4 Stalwart Shield-Bearers 4 Vent Sentinel 2 Wall of Denial Sideboard (15) 4 Hold the Line 4 Manor Gargoyle 2 Orbs of Warding 2 Pyroclasm 3 Seal of Cleansing