Black Lotus is obviously decent too as are all the stupid blue things (Ancestral Recall and Time Walk)
Every single set has, at the very least, a draft booster pack
The final, last-resort test requires ripping the card to see if it contains layers in the middle, which counterfeiters often don't include
The basics match (C is Common, U is Uncommon, R is Rare, RR is Double Rare), but the top tiers flip: JP SR equals English Ultra Rare, JP UR equals English Hyper Rare, JP AR equals English Illustration Rare, and JP SAR equals English Special Illustration Rare
This can make it easy to get into any of the Eeveelutions without having to wait a turn after you play this card
But where do you get all of those energies