فَمَنْ اَظْلَمُ مِمَّنِ افْتَرٰى عَلَى اللّٰهِ كَذِبًا اَوْ كَذَّبَ بِاٰيٰتِهٖۗ اُولٰۤىِٕكَ يَنَالُهُمْ نَصِيْبُهُمْ مِّنَ الْكِتٰبِۗ حَتّٰٓى اِذَا جَاۤءَتْهُمْ رُسُلُنَا يَتَوَفَّوْنَهُمْۙ قَالُوْٓا اَيْنَ مَا كُنْتُمْ تَدْعُوْنَ مِنْ دُوْنِ اللّٰهِ ۗقَالُوْا ضَلُّوْا عَنَّا وَشَهِدُوْا عَلٰٓى اَنْفُسِهِمْ اَنَّهُمْ كَانُوْا كٰفِرِيْنَ ( الأعراف: ٣٧ )
Faman azlamu mimmanif taraa 'alal laahi kaziban aw kazzaba bi Aayaatih; ulaaa'ika yanaaluhum naseebuhum minal Kitaab; hataaa izaa jaaa'at hum rusulunaa yatawaf fawnahum qaalooo aina maa kuntum tad'oonaa min doonil laahi qaaloo dalloo 'annaa wa shahidoo 'alaaa anfusihim annahum kaanoo kaafieen (al-ʾAʿrāf 7:37)
Sahih International:
And who is more unjust than one who invents about Allah a lie or denies His verses? Those will attain their portion of the decree until, when Our messengers [i.e., angels] come to them to take them in death, they will say, "Where are those you used to invoke besides Allah?" They will say, "They have departed from us," and will bear witness against themselves that they were disbelievers. (Al-A'raf [7] : 37)
1 Mufti Taqi Usmani
So, who is more unjust than the one who coins a lie against Allah or rejects His signs? They shall receive their share from that (sustenance) which is written (for them in their destiny) until, when Our envoys (angels) shall come to them to take their souls away, they (the angels) will say, “Where are those (so-called gods) whom you used to invoke besides Allah?” They (the unbelievers) will say, “They all have vanished from us”, and they shall testify against themselves that they were unbelievers.