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 - $127.20
Lightly Played Foil - $114.50
Moderately Played Foil - $101.80
Heavily Played Foil - $89.10
Damaged Foil - $63.60
NM-Mint Foil Non English - $127.20
Lightly Played Foil Non English - $114.50
Moderately Played Foil Non English - $101.80
Heavily Played Foil Non English - $89.10
Damaged Foil Non English - $63.60