Irivana, Bant Exemplar

When Irivana, Bant Exemplar enters the battlefield, prevent all combat damage target
creature would deal this turn. You gain X life and draw X cards, where X is the number of creatures you control. Creatures you control
get +1/+1 until end of turn. As long as you
have more than 30 life, creatures you control gain your choice of hexproof, lifelink, and/or vigilance.