Brazil has a sizable African population due to almost 4 centuries of European colonizers bringing African slaves to the new world. However, most slaves were still very devout to their Candomblé religion and their hardass Christian slavers wouldn't let them practice their heretic ceremonies if they could help. The Afro-Brazilian solution to that was inventing Umbanda, a Brazilian syncretic religion that associated each Candomblé god with a Catholic Saints so they could convince the white men that the names of their gods were just their regional names for the saints, enabling them to continue their rituals as normal because they were "worshipping the saints".
So any Umbanda
you can pick is automatically a syncretism sheet. You can even cheat yourself out of having to create a personality section since there are already canon versions of
orixá of turbulent waters and
orixá of iron, combat, and hard work. Try searching Martha Alter or Georgius Alter on Pixiv for an easy faceclaim maybe. It's been 7 years, someone must have drawn that.
Then for the Umbanda lore, you can say the saints chose to wear the role of Candomblé Divine Spirits out of mercy to the suffering people who wished for them. That gives every orixá an automatic qualification for Pretender but try fitting them in more regular and specific classes, only busting the Pretender card if you really need to. Their normal Saint forms favor specific classes instead of unnecessarily jumping straight to Ruler, don't they? Not to mention the 30% chance that canon will already give us a Latin American colonization-based Pretender this month in the form of Hernan Cortés's infamous Quetzalcoatl stunt.