White Mage

Defender
Whenever you gain life for the first time each
turn you may pay any amount of {b/g}. For each
mana spent you gain 1 life.
{5}{w/b}{w/b}{t}: Return target creature from your
graveyard to the battlefield. You gain 7 life.
Then, sacrifice White Mage.
Light shine strong, our woe begone.