I measured all 30 five-card packs from a Japanese Mega Symphonia booster box to 0.01g and compared SR, AR, RR, and R results to see whether rarity can be identi...

I measured all 30 five-card packs from a Japanese Mega Brave booster box to 0.01g and compared SR, AR, RR, and R results to see whether rarity can be identified...