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 - $5.20
Lightly Played - $4.20
Moderately Played - $3.70
Heavily Played - $3.20
Damaged - $2.60
Near Mint Spanish - $5.20
Lightly Played Spanish - $4.20
Moderately Played Spanish - $3.70
Heavily Played Spanish - $3.20
Damaged Spanish - $2.60