When Combustible Gearhulk enters the battlefield, target opponent may have you draw three cards. If the player doesn't, mill three cards, then Combustible Gearhulk deals damage to that player equal to the total mana value of those cards.
NM-Mint Foil - $1.20
Lightly Played Foil - $1.10
Moderately Played Foil - $0.90
Heavily Played Foil - $0.80
Damaged Foil - $0.60
NM-Mint Foil Non English - $1.20
Lightly Played Foil Non English - $1.10
Moderately Played Foil Non English - $0.90
Heavily Played Foil Non English - $0.80
Damaged Foil Non English - $0.60