1)Synchronize does not work1. Does Synchronize work on soft-resetting event Pokemon?
2. After 693 resets (yes, we're looking at more than 11 hours of this), I've come across this Shaymin.
25/x/31/31/27/31 Modest
Toss or keep? (It's just HP Dragon)
And
2) to trade here that's absolutely a toss, you could probaby make it work if you just wanted it to battle with it but 25 is honestly just too low