You can probably put money on their value going up as soon as their respective sets go out of print
Set List 01/12 Rowlet 02/12 Grubbin 03/12 Litten 04/12 Popplio 05/12 Pikachu 06/12 Cosmog 07/12 Crabrawler 08/12 Alolan Meowth 09/12 Alolan Diglett 10/12 Cutiefly 11/12 Pikipek 12/12 Yungoos 2018- McDonalds Collection 2018 In line with previous years, 12 cards were available with the purchase of a Happy Meal, with each meal receiving one card at random
The silver ones are found in packs with blue logo non foils cards and typically found outside the US which would build on either of those two theories
Elite Trainer Box (Pokmon ETB) : Set that includes multiple booster packs, as well as accessories like sleeves, dice, and energy cards
Players represent planeswalkers able to draw on the magics and entities of these planes to do battle with others
Those tools are cool and all, but what about the Companions