Set & Rarity: Lorwyn, rare
Card Type: Artifact
Rules Text: Whenever a creature with toughness 4 or greater is put into your graveyard from play, you may remove it from the game. At end of turn, if three or more cards have been removed from the game with Colfenor's Urn, sacrifice it. If you do, return those cards to play under their owner's control.
Artist Credit: Jim Pavelec
Format Legality: Legal In Lorwyn Block