"These guys need a messenger to show them miracles / maujizah's to prove that Allah is One and the lord of all creations....Like Essa and Mosa (Peace Be Upon Them) had shown."

You assume that we are ignorant of the 3 Abrahamic faiths?
I, for one, reject them from a position of study - so Mosa, Essa and Mohammad did their best, but in my case they failed.
Nothing more to do.

And you can't send another prophet as your belief cannot justify that.

Peace

"Deaths in the Bible. God - 2,270,365
not including the victims of Noah's flood, Sodom and Gomorrah, or the
many plagues, famines, fiery serpents, etc because no specific numbers
were given. Satan - 10."