Hylia, First Among Deities

Indestructible
Whenever a black or red source deals damage to
you, you may exile it. If you do, you gain 3 life.
Whenever you cast a Legendary creature, you
may put any number of cards exiled with Hylia
into their owners' graveyards. If you do, that
creature enters the battlefield with that number
of additional +1/+1 counters.
In the beginning, there were two.