Desert of Vibrancy

Desert of Vibrancy enters the battlefield tapped.
{t}: Add {1} to your mana pool.
{1},{t}: Put a storage counter on Desert of Vibrancy. You may only play this ability anytime you could play a sorcery.
{x},{t}, Remove X storage counters from Desert of Vibrancy: You get {e} for each storage counter removed this way.
An oasis to sustain life for aeons.