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 - $124.40
Lightly Played Foil - $112.00
Moderately Played Foil - $99.60
Heavily Played Foil - $87.10
Damaged Foil - $62.20
NM-Mint Foil Non English - $124.40
Lightly Played Foil Non English - $112.00
Moderately Played Foil Non English - $99.60
Heavily Played Foil Non English - $87.10
Damaged Foil Non English - $62.20