Diggy Hole

Diggy Hole enters the battlefield tapped.
{t}: Add {r} or {w} to your mana pool.
{t}: Add {r}{r}, {r}{w} or {w}{w} to your mana pool.
Spend this mana only to cast a Dwarf spell.
Whenever you tap Diggy Hole for mana, put a Gemstone counter on Diggy Hole.
Remove 5 Gemstone counters from Diggy Hole:
Search your library for a Gemstone card, put it
onto the battlefield and shuffle your library.