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