>>15998718Write Yveltal's stats here
http://www.metalkid.info/Pokemon/Calculators/IV.aspx If you don't know the EV's Lysandre's pokes give, just use a reset bag from the Super Training to reset all EVs.
Btw, you can really use a Synchronizer with Legendaries? Even the roaming birds?
Or the latter are locked inthe moment you see them for the first time?