Antiquated Banker

At the beginning of your upkeep, you may pay {1}. If you do, put a credit counter on this.
When this creature dies, create a number of
Treasure artifact tokens ({t}, sacrifice this: Add one
mana of any color to your mana pool) equal to the
number of credit counters on this.
"Why do you use credit counters? Those are only on
one other card!"