Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.
There was no reason to pray. This was already an act of the gods.
Official Rulings for Anger of the Gods
9/15/2013 : Creatures don’t necessarily have to be dealt lethal damage by Anger of the Gods to be exiled. After being dealt damage, if they would die for any reason that turn, they’ll be exiled instead.
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