4 Ancient Stirrings 1 Burst Lightning 4 Chromatic Sphere 4 Chromatic Star 4 Expedition Map 2 Forest 4 Karn Liberated 4 Karplusan Forest 2 Kozilek's Return 2 Lightning Bolt 3 Oblivion Stone 1 Sanctum of Ugin 4 Sylvan Scrying 2 Ugin, the Spirit Dragon 2 Ulamog, the Ceaseless Hunger 4 Urza's Mine 4 Urza's Power Plant 4 Urza's Tower 1 Walking Ballista 2 World Breaker 2 Wurmcoil Engine 2 Choke 1 Crumble to Dust 3 Nature's Claim 1 Pyroclasm 1 Ramunap Excavator 2 Relic of Progenitus 3 Thragtusk 2 Warping Wail