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 - $0.60
Near Mint French - $0.60
Lightly Played - $0.50
Lightly Played French - $0.50
Moderately Played - $0.50
Moderately Played French - $0.50
Heavily Played - $0.40
Heavily Played French - $0.40
Damaged - $0.30
Damaged French - $0.30