Fill up the Treasury

Whenever a creature an opponent controls dies,
create a colorless Treasure artifact token with "Sacrifice this artifact: Add one mana of
any color to your mana pool."
At the beginning of your upkeep, if you control
ten or more Treasures, you win the game.
"There is a lot of things one can do with an absurd
amount of gold. Like making all of your enemies
disappear, for example."