The mountain of light

The mountain of light enters the battlefield
tapped .
{t}: add {r}
as long as you have 7 more life than your starting
life total, lands you control have '{t} : add one
mana of any color'
{w}{w}{w}{b}{b}{b}{r}{r}{r},{t} sacrifice The
mountain of light : return all creatures from your graveyard to the battlefield, they gain haste and indestructible until the end of this turn.