Legacy Weapon is a rare Legendary Artifact card from Tenth Edition (10E), collector number 330. Current market price: $0.72 (foil $2.42), TCGplayer market prices via Scryfall.
{W}{U}{B}{R}{G}: Exile target permanent. If Legacy Weapon would be put into a graveyard from anywhere, reveal Legacy Weapon and shuffle it into its owner's library instead.