Main deck (80) 4 Ancient Den 4 Ancient Tomb 4 Cavern of Souls 4 Chalice of the Void 1 Crucible of Worlds 4 Emry, Lurker of the Loch 4 Esper Sentinel 4 Ethersworn Canonist 1 Expedition Map 4 Force of Will 2 Island 1 Karakas 4 Karn, the Great Creator 4 Lotus Petal 3 Mox Opal 1 Pithing Needle 1 Retrofitter Foundry 3 Sai, Master Thopterist 4 Seat of the Synod 1 Shadowspear 4 Thought Monitor 3 Trinket Mage 4 Tundra 4 Urza, Lord High Artificer 4 Urza's Saga 2 Walking Ballista 1 Wasteland Sideboard (15) 2 Brazen Borrower 2 Echoing Truth 1 Engineered Explosives 1 Ensnaring Bridge 2 Flusterstorm 1 Grafdigger's Cage 1 Liquimetal Coating 1 Mycosynth Lattice 1 Skysovereign, Consul Flagship 1 Tormod's Crypt 1 Walking Ballista 1 Yorion, Sky Nomad