Main deck (60) 4 Ancient Den 4 Ancient Tomb 4 Arcbound Ravager 4 Cranial Plating 4 Etched Champion 1 Glimmervoid 2 Master of Etherium 4 Memnite 3 Mox Opal 4 Ornithopter 4 Seat of the Synod 4 Signal Pest 4 Springleaf Drum 3 Tezzeret, Agent of Bolas 3 Thoughtcast 4 Vault of Whispers 4 Vault Skirge Sideboard (15) 4 Chalice of the Void 4 Ethersworn Canonist 4 Rest in Peace 2 Spell Pierce 1 Thoughtcast