It seems you're asking for a review of the phrase (the Lord’s Prayer / Magnificat said backwards).
If you actually want to perform it: pick a short prayer (like the Ave María ), write it backwards phonetically, and recite slowly. The result will be strange, meaningless, and mildly unsettling — which is exactly the intended effect. oración la magnífica al revés
Would you like a phonetic transcription of a common prayer said backwards in Spanish? It seems you're asking for a review of