Shun' Zhi, Esoteric Chaparral

When Shun' Zhi, Esoteric Chaparral enters the battlefield, sacrifice two lands unless you pay 4 life.
Shun' Zhi, Esoteric Chaparral Doesn't untap during your untap step.
{5}: Untap Shun' Zhi, Esoteric Chaparral
{t}: add {w}{u}{b}{r}{g} to your mana pool