" And these signs will accompany those who believe: In my name they will drive out demons; they will speak in new tongues; they will pick up snakes with their hands; and when they drink deadly poison, it will not hurt them at all; they will place their hands on sick people, and they will get well.”
This is how you convince people to believe in Christ.
"He that believeth and is baptized shall be saved; but he that believeth not shall be damned."
Your goal is to save souls through belief in Christ. How exactly you go about doing that isn't that important.
That's not being "performative," which is what Matthew 6:5 is about.
" And these signs will accompany those who believe: In my name they will drive out demons; they will speak in new tongues; they will pick up snakes with their hands; and when they drink deadly poison, it will not hurt them at all; they will place their hands on sick people, and they will get well.”
This is how you convince people to believe in Christ.