Piltover, the City of Progress

This card enters the battlefield tapped.
When this card enters the battlefield, put a Gold artifact token under your control.
{1}, {t}: Add {w}{w}, {w}{u} or {u}{u} to your mana
pool.
Piltover is a thriving, progressive city whose power
and influence is on the rise. It is Valoran's cultural
center, where art, craftsmanship, trade and innovation
walk hand in hand.