At the beginning of each opponent's upkeep, that player loses X life, where X is the number of cards in that player's hand minus the number of cards in your hand.
"After four thousand years, you learn to plan for betrayal." —Urza
Near Mint - $0.70
Near Mint Non-English - $0.70
Lightly Played - $0.70
Lightly Played Non-English - $0.70
Played - $0.50
Played Non-English - $0.50
Heavily Played - $0.50
Heavily Played Non-English - $0.50
Damaged - $0.40
Damaged Non-English - $0.40
Foil Prices
Near Mint Foil - $4.90
Near Mint Foil Non-English - $4.90
Lightly Played Foil - $4.40
Lightly Played Foil Non-English - $4.40
Played Foil - $3.50
Played Foil Non-English - $3.50
Heavily Played Foil - $3.00
Heavily Played Foil Non-English - $3.00
Damaged Foil - $2.50
Damaged Foil Non-English - $2.50