It usually takes a strong finish for players to respect a deck enough to play it without changing cards
In the modern era of the Pokmon TCG, we're pretty used to Umbreon SIRs being among a set's biggest chase cards, but it's even more true for older, rarer cards
Rummage is the slightly-less-common term for the opposite effect: ones where you have to discard cards first (sometimes as part of a cost) and then only afterwards get to draw
Things like holograms and new borders are fine stop-gaps, but counterfeiting Magic cards is so lucrative that it's worth the time and effort for the producers of fake cards to figure out ways around these security measures
Several factors influence Team Rocket Returns card values: card condition (mint cards worth 3-5x more), rarity (holographic and rare cards command higher prices), first edition status, PSA/BGS grading scores, and market demand for specific Pokemon