Bontu's Exorcism

As an additional cost to cast Bontu's Exorcism, sacrifice {x} creatures.
{x} target creature cards in your graveyard gain eternalize {0} and haste until end of turn. You lose {x} life.
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"The gods, too, shall endure trials of their own."- Nicol Bolas, the God Pharaoh, to Bontu the Glorified