W'hrri of Abandon

Flying, lifelink
{w/b}, Pay 1 life, Reveal W'hrri of Abandon from your hand: You get a devotion counter. Then, if you have 8 or less life, you may cast W'hrri of Abandon without paying its mana cost.
As W'hrri of Abandon enters the battlefield, put X +1/+1 counters on it and you gain X life, where X is the number of devotion counters you have.