Both of those have had a lot of new toys in recent months, and this card is an easy way to include them to keep them running for a longer time
Most notably, before the Scarlet and Violet Series, Ultra Rare cards (such as Pokmon V) were denoted by white stars instead of the current two silver stars
The best way to approach these decks is to kill their early threats and mill them as fast as you can by playing around counters as much as you can
Regardless, this is a card that every deck will want if they want to improve their consistency
ALWAYS 40+ Pokemon Cards (with at least 8 shiny foils in every pack
Plus, its searchable by both of this decks searchers, OP12-034-perona and OP12-028-kouzuki-hiyori , making it easy to access when needed