Weaken it and put it to sleep, then use an Ultra Ball.
There is no real button combination that makes Pokemon easier to catch, although it doesn't hurt to try stuff. ^_^
try to catch a suckish one...
you cant
doggy biscit
the starters have been released on the maps of pokemon indigo on this newest ver so you can catch them quite easily now
Use your master ball.
throw a master ball
You can't catch shiny legendary Pokemon without cheats... sorry
Use false swipe to weaken to 1hp, then afflict paralysis.
In the Mirage Tower nefore you get the Fossil
grow a pair... and get good pokemon to get the legendary pokemon's health low... then use an ultra ball over and over again until you catch it
is more easily to catch a bidoof and then using cheat for infinite rare candy level upping your pokemon.=)
erwater cavern surrounding sootopolis city