4 Urza's Tower
4 Urza's Power Plant
4 Urza's Mine
1 Sanctum of Ugin
1 Horizon Canopy
4 Forest
1 Field of Ruin
4 Oblivion Stone
4 Expedition Map
4 Chromatic Star
4 Chromatic Sphere
1 Spatial Contortion
1 Dismember
4 Sylvan Scrying
4 Ancient Stirrings
3 Wurmcoil Engine
1 World Breaker
3 Walking Ballista
2 Ulamog, the Ceaseless Hunger
2 Ugin, the Spirit Dragon
4 Karn Liberated
Sideboard
3 Thought-Knot Seer
2 Relic of Progenitus
3 Nature's Claim
3 Leyline of Sanctity
1 Grafdigger's Cage
2 Spatial Contortion
1 Walking Ballista