1. Buy up media stations all over the world (become a citizen where necessary)
2. Pick a big group of people, Group A (the target) (preferably with resources), whose language and beliefs are sufficiently different from another big group (B), but not nearly as well armed.
3. Spread lies and propaganda about Group A, among Group B. Keep groups isolated.
4. Keep a low profile (difficult, I know)
5. Commit two or more, high impact, outrageously violent false flags against Group B, and blame it on Group A.
6. Ramp up hate speech and lies. Repeat, until you get desired genocide.
Voila! Je Suis Shaitan!