Metagross

Metagross => is Pokemon dex #376 (very rare regular Pokemon)

Details
1.Metagross is the strongest style type
2. Have a Mega form (not yet released on PoGo)

Opendex
=> The Pokemon that you already have/are registered in your Pokedex are in the form of Pokemon images and descriptions

Non-Opendex
=> Pokemon that you don't have / haven't registered in your Pokedex are in the form of black shadow images (meaning you have seen them in raids / gyms) or in the form of Pokedex numbers

Opendex Trade Terms
1. Must have 100 Stardust
2. Opendex is mandatory in the Pokedex of course

Non-Opendex Trade Terms
1. Must have 20,000(20K) Stardust
2. Still Banyangan or don't have the pokemo yet

NB=> Non Opendex Tips (Pokemon Legendary/ Pokemon Shiny) be willing to be friends up to Ultra Friend for cheap stardust (80,000 stardust) if you are willing to buy the cheapest opendex pokemon or you like it at the Wantau Store, then chat with the seller to apply for a 30 day friendship (ultra friend ).

How to trade Opendex or non-Opendex, you can check the link below: