Luck Of The Dwarves

Choose one or both.
- Until end of turn, mountains you control
have "{t}: Creature a colorless treasure artifact token with "{t}, Sacrifice this artifact: Add one mana of any color to your mana pool."
- Until end of turn, lands you control have
"{t}: Untap target mountain."
It's wealth lay in the earth; in precious jewels hewn from rock and in great seems of gold, running like rivers through stone.