Marcy, Spirited Saintess

Indestructible

landfall — When a land enters under your
control, gain 3 life and put a +1/+1 counter on
target creature you control.

{3}{w}{g}{g}, {t}: Search your library for a basic land
card, put that card onto the battlefield tapped,
then shuffle. Sacrifice Marcy, Spirited Saintess
at the end of the turn.