The exception to this has been a number of special Secret Lair drops which included several mechanically unique cards that have yet to make an appearance in the regular game
When played, Giovanni will increase the damage dealt by your Pokemon to your opponents Active Pokemon by 10 for this turn
If you have a card you believe is in mint condition and you plan to sell it or hold it as a long-term investment, then grading is almost always worth it
For example, Team Avatar's triggered ability won't trigger if you attack with multiple creatures and all but one of them are removed from combat
Given that Series 1 launches in March, exactly one week before Perfect Order, I think it's highly likely Series 2 would closely follow the next major expansion, Chaos Rising, in Summer 2026
Sleeves labeled standard size are meant for MTG and Pokmon, while Yu-Gi-Oh