It will take 30+ turns to get max effectiveness (4x). (Credit to DracoArceus)
Has a 3.5x catch rate at night.
Has a 4x catch rate for the first turn. 1x 2nd turn and after (just bring one).
If you let someone trade you a Virizion, it will be registered as Caught in the PokeDex. Then it would have a 3x catch rate