4 Sylvan Scrying 4 Urza's Tower 4 Urza's Power Plant 4 Urza's Mine 1 Scavenger Grounds 1 Sanctum of Ugin 1 Ghost Quarter 4 Forest 3 Relic of Progenitus 1 Perilous Vault 3 Oblivion Stone 4 Expedition Map 4 Chromatic Star 4 Chromatic Sphere 4 Ancient Stirrings 2 Ugin, the Spirit Dragon 1 Karn, Scion of Urza 4 Karn Liberated 3 Wurmcoil Engine 2 Walking Ballista 2 Ulamog, the Ceaseless Hunger 3 Thought-Knot Seer 2 Surgical Extraction 1 Spatial Contortion 1 Seal of Primordium 2 Nature's Claim 1 Emrakul, the Promised End 2 Warping Wail 3 Thragtusk