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 - $4.80
Lightly Played - $3.80
Moderately Played - $3.40
Heavily Played - $2.90
Damaged - $2.40
Near Mint Spanish - $4.80
Lightly Played Spanish - $3.80
Moderately Played Spanish - $3.40
Heavily Played Spanish - $2.90
Damaged Spanish - $2.40