I have Landorus, willing to trade for any legendaries which I don't have dex data for, this includes:
Mew,
Entei,
Suicune,
Celebi,
3 Regis,
Latios,
Jirachi,
Deoxys,
Uxie,
Mesprit,
Palkia,
Heatran,
Regigigas,
Cresselia,
Manaphy,
Darkrai,
Shaymin,
Arceus,
Zekrom.
When I started typing that list I did not realise it would be so long :|
Pm me!