{1}{R}{R}: Put a blaze counter on target land without a blaze counter on it. For as long as that land has a blaze counter on it, it has "At the beginning of your upkeep, this land deals 1 damage to you." (The land continues to burn after Obsidian Fireheart has left the battlefield.)
Near Mint - $1.00
Lightly Played - $0.80
Moderately Played - $0.70
Heavily Played - $0.60
Damaged - $0.50
Near Mint Spanish - $1.00
Lightly Played Spanish - $0.80
Moderately Played Spanish - $0.70
Heavily Played Spanish - $0.60
Damaged Spanish - $0.50
Foil Prices
Near Mint Foil - $9.80
Lightly Played Foil - $7.80
Moderately Played Foil - $6.90
Heavily Played Foil - $5.90
Damaged Foil - $4.90
Near Mint Foil Spanish - $9.80
Lightly Played Foil Spanish - $7.80
Moderately Played Foil Spanish - $6.90
Heavily Played Foil Spanish - $5.90
Damaged Foil Spanish - $4.90