Magic: the Gathering - Power Surge - Revised Edition
Magic: the Gathering is a collectible card game created by Richard Garfield. In Magic, you play the role of a planeswalker who fights other planeswalkers for glory, knowledge, and conquest. Your deck of cards represents all the weapons in your arsenal. It contains the spells you know and the creatures you can summon to fight for you.
Card Name: Power Surge
Cost: RR
Color: Red
Card Type: Enchantment
Card Text: At the beginning of each player's upkeep, Power Surge deals X damage to that player, where X is the number of untapped lands he or she controlled at the beginning of this turn.