Power Surge
Enchantment
At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn.
Douglas Shuler
Revised Edition (3ED)
• #170Rulings
This card knows how many were untapped even if it was not on the battlefield at the beginning of the turn.
(wotc • 2004-10-04)
Rulings
This card knows how many were untapped even if it was not on the battlefield at the beginning of the turn.
(wotc • 2004-10-04)