I only have one copy, so I dont think anything definitive can be said about it yet, but I think youre indeed right that they follow a similar print run as Shadowless for all Ghost stamp Pikachu - even though it IS a different print run, since otherwise they wouldnt have had those Ghost stamps in the first place
9 Enduring Innocence Mentor Of The Meek Has Seen Some Upgrades Enduring Innocence is a re-imagined Mentor of the Meek with a slew of upgrades at two major drawbacks - it can only trigger once per turn, and it only has one toughness
Main expansions & standard subsets Typically includes 30 packs per box, 5 cards per pack Pokmon 151: Highly sought-after, nostalgic Kanto reprint set Terastal Festival: Newer expansion with tera-type mechanics 2.1.2
This is one of the strongest cards in the new set, especially when paired with Serperior, allowing trainers to do up to 200 damage with just two energies
Of course, there are other targets for it in the format, like Crashing Footfalls, and for a short time where Up the Beanstalk was legal youd draw cards off that when casting this blue instant