Your search for "Tainted Field 167" revealed the following:
Tainted Field (ONC) from Phyrexia: All Will Be One Commander, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Don Hazeltine Card Text:T: Add C.T: Add W or B. Activate only if you control a Swamp.
Tainted Field (Foil) (TOR) from Torment, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Don Hazeltine Card Text:T: Add 1 colorless mana to your mana pool.T: Add W or B to your mana pool. Play this ability only...