Shiny Arceus
Shiny Charizard Y
Shiny Gengar
Shiny Gorebyss
Shiny Abra
Shiny Palkia
Shiny Breloom
Shiny Event
Pikachu
Shiny Cresselia (Nicknamed Madoka)
You can also offer a shiny fletchling but my conditions are that it must have 6IV, adamant, and gale wings