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AatT refers to Son of God rescuing a Lost Soul, not a Hero making a rescue attempt.The answer to your question is yes, if you discard SoG without using it to rescue a Lost Soul (like say to I am Holy) then you can continue to recur it over and over with AatT.
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Thing is there is no errata in place that says that so right now why couldn't it be legitly played the way I proposed it could. I know it would be errata-ed right away but.....that's not the point.