Zetas, Discovery of lotus

At the beginning of your upkeep add a charge
counter to Zetas, Discovery of Lotus for each
basic land type you control
{3}, {t}: Exile Zetas, Discovery of Lotus and add
mana of any color to your mana pool for each
charge counter on this card; at the beginning of
your next upkeep this card comes back into the battlefield tapped with 3 charge counters on it