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.
NM-Mint Foil - $97.50
Lightly Played Foil - $92.70
Moderately Played Foil - $87.80
Heavily Played Foil - $78.00
Damaged Foil - $63.40
NM-Mint Foil Non English - $97.50
Lightly Played Foil Non English - $92.70
Moderately Played Foil Non English - $87.80
Heavily Played Foil Non English - $78.00
Damaged Foil Non English - $63.40