Now you pray to God hoping that you got a Christ tag

from Big Sean (Ft. James Fauntleroy, Kendrick Lamar & Royce Da 5'9") – 100 Lyrics on Rap Genius

Meaning

He’s stating people are praying to get their “Christ Tag” I.E. they’re pass into Heaven. However, he adds the word “hope” constituting that he may have some doubt about prayer and it’s outcome. Relating back to the previous line, you need a prayer if the wrong people are coming after you for money.

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