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 - $240.500
Lightly Played - $192.400
Moderately Played - $168.400
Heavily Played - $144.300
Damaged - $120.300
Near Mint Spanish - $240.500
Lightly Played Spanish - $192.400
Moderately Played Spanish - $168.400
Heavily Played Spanish - $144.300
Damaged Spanish - $120.300