Whenever Karn, Silver Golem blocks or becomes blocked, it gets -4/+4 until end of turn. {1}: Target noncreature artifact is an artifact creature with power and toughness each equal to its casting cost until end of turn. (That artifact retains its abilities.)

• Number: 298
• Rarity: R
• Power: 4
• Toughness: 4
• Type: Legendary Artifact Creature
• Subtype: Golem
• Mana cost: 5
• Color: Artifact
• Artist: Mark Zug