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 2 Ugin, the Spirit Dragon 4 Karn Liberated 4 Sylvan Scrying 4 Ancient Stirrings 3 Relic of Progenitus 3 Oblivion Stone 4 Expedition Map 4 Chromatic Star 4 Chromatic Sphere 4 Wurmcoil Engine 1 World Breaker 2 Walking Ballista 2 Ulamog, the Ceaseless Hunger Sideboard 3 Thragtusk 3 Thought-Knot Seer 2 Surgical Extraction 2 Spatial Contortion 4 Nature's Claim 1 Grafdigger's Cage