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 - $96.70
Lightly Played Foil - $91.90
Moderately Played Foil - $87.00
Heavily Played Foil - $77.40
Damaged Foil - $62.90
NM-Mint Foil Non English - $96.70
Lightly Played Foil Non English - $91.90
Moderately Played Foil Non English - $87.00
Heavily Played Foil Non English - $77.40
Damaged Foil Non English - $62.90