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.
Near Mint - $9.400
Lightly Played - $7.600
Moderately Played - $6.600
Heavily Played - $5.700
Damaged - $4.700
Near Mint Spanish - $9.400
Lightly Played Spanish - $7.600
Moderately Played Spanish - $6.600
Heavily Played Spanish - $5.700
Damaged Spanish - $4.700