Leo, Armed With Wings

Indestructible, protection from black
Whenever Leo, Armed With Wings or another enchantment enters the battlefield under your control, return all white creatures from your graveyard to the battlefield.
{x}{w}, {t}: Leo, Armed With Wings deals X
damage to any target. If a black creature is dealt
damage this way, it loses indestructible until
end of turn. If that creature would die this
turn, exile it instead.