Metalworker [Urza's Destiny] Mirrodin Besieged Set: Betrayers of Kamigawa Type:

Set: Betrayers of Kamigawa Type: Artifact Rarity: Rare Cost: {5} The "legend rule" doesn't apply

Set: Mirage Type: World Enchantment Rarity: Rare Cost: {1}{G}{G} At the beginning of each player's upkeep

Goblins Type: Land Rarity: Uncommon {T}: Add {C}

Set: Alpha Edition Type: Enchantment — Aura Rarity: Common Cost: {U}{U} Enchant land

you might as well trade it for something else

Metalworker [Urza's Destiny] Mirrodin Besieged Set: Betrayers of Kamigawa Type:Set: Urza's Destiny Type: Artifact Creature Construct Rarity: Rare Cost: {3} {T}: Reveal any number of artifact cards in your hand. Add {C}{C} for each card revealed this way. "At this rate I fully expect to be replaced by a clockwork golem by year's end." Barrin