I think you cant get all three of them. If you choose Totodile as a starter-you can catch Raikou, Chikorita-Entei, Cyndaquil-Suicune
although it is rare, most breeds can have gold or amber eyes, but commonly have brown, as I'm sure you know.
gold is rare
Only by trading them from Gold, Silver or Crystal.
Not rare at all.
You can find Lugia, the legendary dogs/ Suicune, Enti, and Raichu, and I think Ho-Ho
The rare Pokemon in the leafgreen and firered games are Mewtoo one of the legendary dogs from silver and gold depending on who you start with, moltres zapdos and articuno.
not that rare because ive got ten gold for only £8.27 ./
Gold
'Gold' Rare cards are the gold-tinted foil cards from the four Gold Series sets.
Thay are not the most rare dog but Schipperkes are very rare
Entei (Fire), Raikou (Electric) and Suicune (Water)
Three legendary dogs, Ho-oh Lugia and a dragon type pokemon.