4 Ancient Tomb 3 Baleful Strix 4 Chalice of the Void 3 City of Traitors 2 Dimir Signet 1 Engineered Explosives 4 Force of Will 4 Island 3 Karn, the Great Creator 4 Lotus Petal 3 Mirrodin Besieged 4 Mox Opal 1 Sai, Master Thopterist 4 Seat of the Synod 2 Tezzeret, Agent of Bolas 3 Thoughtcast 1 Tormod's Crypt 1 Underground Sea 4 Urza, Lord High Artificer 3 Vault of Whispers 1 Walking Ballista 1 Welding Jar 2 Echoing Truth 1 Engineered Explosives 2 Ensnaring Bridge 2 Flusterstorm 1 Liquimetal Coating 1 Mycosynth Lattice 2 Sorcerous Spyglass 2 Tormod's Crypt 1 Walking Ballista 1 Welding Jar