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 - $0.95
Lightly Played - $0.90
Moderately Played - $0.71
Heavily Played - $0.57
Damaged - $0.38
Near Mint Non-English - $0.95
Lightly Played Non-English - $0.90
Moderately Played Non-English - $0.71
Heavily Played Non-English - $0.57
Damaged Non-English - $0.38
Foil Prices
Near Mint Foil - $5.25
Lightly Played Foil - $5.00
Moderately Played Foil - $4.00
Heavily Played Foil - $3.25
Damaged Foil - $2.25
Near Mint Foil Non-English - $5.25
Lightly Played Foil Non-English - $5.00
Moderately Played Foil Non-English - $4.00
Heavily Played Foil Non-English - $3.25
Damaged Foil Non-English - $2.25