Karn, Silver GolemCasting Cost: Card Type: Legendary Artifact Creature - GolemPower/Toughness: 4/4Card Text: Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. : Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn.
: Target noncreature artifact becomes an artifact creature with power and toughness each equal to its converted mana cost until end of turn.