Avacyn, Archangel of Despair

Flying, vigilance
This spell, and spells you cast have split second, and cannot
be targeted or countered.
Permanents you control have indestructible, protection from each of your opponents, and cannot lose abilities, or be sacrificed, or exiled from the battlefield.
The power and toughness of creatures you control cannot decrease below their base power and toughness.
You have hexproof.
Permanents your opponents control lose protection and indestructible.