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 - £1.20
Lightly Played - £1.10
Moderately Played - £0.90
Heavily Played - £0.60
Damaged - £0.40
Near Mint Non English - £1.20
Lightly Played Non English - £1.10
Moderately Played Non English - £0.90
Heavily Played Non English - £0.60
Damaged Non English - £0.40