Angra Mainyu, Tainted Land

As Angra Mainyu, Tainted Land enters the battlefield, you may pay 2 life. If you don't, Angra Mainyu, Tainted Land enters the battlefield tapped.
{t}: Add {b} or {r} to your mana pool.
{1}{b/r}, {t}: You lose 1 life, target opponent loses 3 life.
Angra Mainyu seeps into the world and taints all that it touches. Nothing can survive its evil and hatred.