When the Master Ball says that you can catch any Pokémon with it, and you're thinking of catching another trainer's Pokémon:

ProtonicToaster said:

When the Master Ball says that you can catch any Pokémon with it, and you're thinking of catching another trainer's Pokémon:

https://twitter.com/thegamerwebsite/status/496701589248167936
(don't know if that's the original poster but still)

Nevermind, we have the image here.