Theresa, Golden Goddess

Indestructible, Lifelink
Extort (Whenever you cast a spell, you may pay {w/b}. If you do, each opponent loses 1 life and you gain that much life.)
At the beginning of your end step, target ally creature gains Lifelink and Extort. Each time an ally creature Extorts, that creature gains +1/+1.
"The Golden Goddess is generous. Open your arms to her and receive her blessing."