Main deck (60) 4 Ancient Den 4 Ancient Tomb 1 Cavern of Souls 4 Chalice of the Void 2 Emry, Lurker of the Loch 4 Esper Sentinel 4 Ethersworn Canonist 2 Island 1 Karakas 4 Lotus Petal 4 Mox Opal 2 Nettlecyst 2 Retrofitter Foundry 2 Sai, Master Thopterist 4 Seat of the Synod 4 Thought Monitor 3 Urza, Lord High Artificer 2 Urza's Bauble 4 Urza's Saga 3 Walking Ballista Sideboard (15) 2 Flusterstorm 1 Grafdigger's Cage 1 Pithing Needle 1 Surgical Extraction 4 Swords to Plowshares 2 Thorn of Amethyst 1 Tormod's Crypt 1 Walking Ballista 2 Wear // Tear