Stingy Leprechaun

Whenever Stingy Leprechaun enters the
battlefield, creature two colourless artifact
Tokens named "Goldpot" with "sacrifice
this artifact: add {1} to your mana pool".
{t}, discard a card: add one mana of any col-
our to your mana pool. Play this abillity on-
ly once each turn.
{g}: untap Stingy Leprechaun.