Karn, Silver Golem - Foil Tweet Out of stock. $20.26 Wishlist Details Color: Artifact Card Text: Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. 1: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn. Rarity: M Cost: 5 Pow/Tgh: 4/4 Card Type: Legendary Artifact Creature - Golem Name: Karn, Silver Golem Finish: Foil Set Name: From the Vault: Relics