While it may not be likely to show up again in a premier set, it does seem as though Wizards is confident that at least some players understood and enjoyed the mechanic
Cost Analysis Keep in mind that this is a very loose analysis with many variables at play
MtG Innistrad Remastered Common Ancestral Anger Sorcery Target creature gains trample and gets +X/+0 until end of turn, where X is 1 plus the number of cards named Ancestral Anger in your graveyard
Also, some have noted that, while Pokemon TCG Pocket has featured creatures from every generation of the franchise, the first two card releases have put a significant focus on those from the Kanto region (as seen in Pokemon Red and Blue )
To answer this question, we first need to discuss the elephant in the room: FlickerFlicker effects
In any fashion, I would love a return