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 mana value until end of turn.
NM-Mint Foil - $117.30
Lightly Played Foil - $105.60
Moderately Played Foil - $93.80
Heavily Played Foil - $82.10
Damaged Foil - $58.70
NM-Mint Foil Non English - $117.30
Lightly Played Foil Non English - $105.60
Moderately Played Foil Non English - $93.80
Heavily Played Foil Non English - $82.10
Damaged Foil Non English - $58.70