Infested Cavern

Infest
If infested cavern has two nest counters,
{t}: Add one mana of any color to your mana pool.
If infested cavern has four nest counters,
{t}: Add three mana of any color to your mana pool.
If infested cavern has five or more nest counters, {t}: Add five mana in any combination of colors to
your mana pool, if this mana is spent to cast a creature of the type saraficed create X copies of it
where X is the amount of nest counters greater than five.