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 - $127.20
Lightly Played Foil - $120.90
Moderately Played Foil - $114.50
Heavily Played Foil - $101.80
Damaged Foil - $82.70
NM-Mint Foil Non English - $127.20
Lightly Played Foil Non English - $120.90
Moderately Played Foil Non English - $114.50
Heavily Played Foil Non English - $101.80
Damaged Foil Non English - $82.70