Gaabriel, the First Dawn

Champion one or more white permanents.
Gaabriel, the First Dawn's level is equal to the
total devotion to white of cards championed by it.
•Level 2+ - Flying, vigilance
•Level 4+ - Hexproof from instants and sorceries
•Level 6+ - Whenever Gaabriel attacks or blocks,
you gain life equal to its level.