When Themberchaud enters the battlefield, he deals X damage to each other creature without flying and each player, where X is the number of Mountains you control.
You may exert Themberchaud as he attacks. When you do, he gains flying until end of turn. (An exerted creature won't untap during your next untap step.)
Near Mint - $19.100
Lightly Played - $15.300
Moderately Played - $13.400
Heavily Played - $11.500
Damaged - $9.600
Near Mint Spanish - $19.100
Lightly Played Spanish - $15.300
Moderately Played Spanish - $13.400
Heavily Played Spanish - $11.500
Damaged Spanish - $9.600
Foil Prices
Near Mint Foil - $20.800
Lightly Played Foil - $16.700
Moderately Played Foil - $14.600
Heavily Played Foil - $12.500
Damaged Foil - $10.400
Near Mint Foil Spanish - $20.800
Lightly Played Foil Spanish - $16.700
Moderately Played Foil Spanish - $14.600
Heavily Played Foil Spanish - $12.500
Damaged Foil Spanish - $10.400