Open a sealed Magic booster pack, reveal the cards, and put one of those cards into your hand. (Remove that card from your deck before beginning a new game.)
Make your judgment wisely: The right pack will let you defeat your nemesis, but a poor choice can only end in torment. And Homelands.
Near Mint - $6.75
Near Mint Non-English - $6.75
Lightly Played - $6.50
Lightly Played Non-English - $6.50
Moderately Played - $5.50
Moderately Played Non-English - $5.50
Heavily Played - $4.00
Heavily Played Non-English - $4.00
Damaged - $3.50
Damaged Non-English - $3.50