At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
Near Mint - $0.70
Lightly Played - $0.50
Moderately Played - $0.50
Heavily Played - $0.40
Damaged - $0.40
Near Mint Spanish - $0.70
Lightly Played Spanish - $0.50
Moderately Played Spanish - $0.50
Heavily Played Spanish - $0.40
Damaged Spanish - $0.40