Kobold's Ancient Vault

When you create a Treasure Token put charge counter on Kobold's Ancient Vault.

You may remove three charge counter's to distribute a Treasure Token to a player, when that player uses a treasure token for mana put a +1/+1 counter on a creature you control.

When a creature has five or more +1/+1 counters, you put
an additional charge counter on this card on your upkeep.