4 Ash Barrens
4 Foreboding Landscape
2 Forest
3 Island
4 Prismatic Vista
3 Swamp
4 Grindstone
4 Mishra's Bauble
4 Pact of Negation
4 Painter's Servant
4 Serum Powder
4 Sword of the Meek
4 Thopter Foundry
4 Time Sieve
4 Urza, Lord High Artificer
4 Urza's Bauble
Sideboard:
4 Chain of Smog
1 Channel
1 Fireball
1 Gobland
4 Goblin Charbelcher
4 Lim-Dûl's Vault
4 Mana Severance
4 Witherbloom Apprentice