After Jesus abolished circumcision on the cross, the only biblical Israel is the Church with believing gentiles grafted into the faithful remaining from the twelve tribes. The unbelievers replaced by them. Which tribe do you belong to?
"Moreover the LORD your God will circumcise your heart and the heart of your descendants, to love the LORD your God with all your heart and with all your soul, so that you may live.
Deuteronomy 10:14-16
"Behold, to the LORD your God belong heaven and the highest heavens, the earth and all that is in it. "Yet on your fathers did the LORD set His affection to love them, and He chose their descendants after them, even you above all peoples, as it is this day. "So circumcise your heart, and stiffen your neck no longer.
Jeremiah 4:4
"Circumcise yourselves to the LORD And remove the foreskins of your heart, Men of Judah and inhabitants of Jerusalem, Or else My wrath will go forth like fire And burn with none to quench it, Because of the evil of your deeds."
The concept was found before the cross. God does not change. Never will