(Any other effects that would happen after applying Weakness and Resistance still happen.) Flip a coin
If you suspect youre in possession of an exceptionally valuable Magic cardwere talking literal hundreds, even thousands of dollarsand you have no intentions of playing it, gradings a great way to preserve that card should you decide to sell it down the road
then I was reminded of one of my favorite youtubers "RANK10YGO", who made a series about the weak strategies Konami had produced over long years and he dubbed them "Legacy of the worthless"
He'd written equations on his bat, and actually based his pitches and hits on mathematical processes
Like most Pokmon cards, the value of Pikachu depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (XY Black Star Promos)