Sorry for the TERRIBLE Quality, but its the best i can find for now.
The Flash 3x10 Extended Promo "Borrowing Problems From The Future" Season 3 Episode 10 Preview
Footage from: https://twitter.com/Pagmyst/status/816240613997703169
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User blog comment:ImperiexSeed/We get it, Flash writers, Wally's gonna become the god of the speed-force
Wow, what I just saw in this new promo, is definitely the most ridiculous thing I've seen on TV...