Ur of the Chaldees

Pay 1 life, {t}: Add {c}{c}.
{2}, {t}: Add one mana of any color. Spend this
mana only to cast spells that share a creature type
with a creature you control.
{2}, {t}, Sacrifice Ur of the Chaldees: Search your library for a basic land and put it onto the battlefield tapped. Then shuffle your library.
You gain 4 life.