3 Walking Ballista
4 Chromatic Sphere
4 Urza's Tower
4 Urza's Power Plant
4 Urza's Mine
4 Forest
1 Mishra's Factory
1 Field of Ruin
1 Sanctum of Ugin
4 Karn Liberated
4 Oblivion Stone
3 Wurmcoil Engine
2 Ulamog, the Ceaseless Hunger
3 Thragtusk
1 All Is Dust
1 World Breaker
4 Expedition Map
4 Chromatic Star
4 Ancient Stirrings
4 Sylvan Scrying
Sideboard
2 Thragtusk
3 Nature's Claim
3 Relic of Progenitus
2 Surgical Extraction
2 Warping Wail
2 Thought-Knot Seer
1 Spatial Contortion