Your search for "Urborg Volcano 331" revealed the following:
Urborg Volcano (SCD) from Starter Commander Decks, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Tony Szczudlo Card Text:Urborg Volcano enters the battlefield tapped.T: Add B or R.
Urborg, Tomb of Yawgmoth (Foil) (PLC) from Planar Chaos, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: John Avon Card Text:Each land is a Swamp in addition to its other land types.
Urborg Volcano (Foil) (INV) from Invasion, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Tony Szczudlo Card Text:Urborg Volcano comes into play tapped.T: Add B or R to your mana pool.