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 - $39.20
Lightly Played Foil - $37.30
Moderately Played Foil - $35.30
Heavily Played Foil - $31.40
Damaged Foil - $25.50
NM-Mint Foil Non English - $39.20
Lightly Played Foil Non English - $37.30
Moderately Played Foil Non English - $35.30
Heavily Played Foil Non English - $31.40
Damaged Foil Non English - $25.50