Whenever a creature an opponent controls dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.") At the beginning of your upkeep, if you control ten or more Treasures, you win the game.
I can prove I won fair and square—I have the receipt.
NM-Mint Foil - $33.40
Lightly Played Foil - $31.80
Moderately Played Foil - $30.10
Heavily Played Foil - $26.80
Damaged Foil - $21.80
NM-Mint Foil Non English - $33.40
Lightly Played Foil Non English - $31.80
Moderately Played Foil Non English - $30.10
Heavily Played Foil Non English - $26.80
Damaged Foil Non English - $21.80