yugioh reverse cards : DPRP-EN006 1st Ed Magnet Super Rare Card your opponent cannot activate Spell/Trap Cards until the end of the Damage Step Yu-Gi-Oh! - Reverse Trap (SDY-047)

Honorable Mentions Orbeetle VMAX The first card that will be looked at has a very interesting ability

Charmander and Charmeleon deal fire damage , and the Charizard shown below would deal dark type damage

Some error cards gain notoriety and demand within the community, increasing their collectibility

since gravestorm is like normal storm, each copy resolves individually, so even discounting the ability to exile cards from our opponent's library, what we have is a card that forces our opponent to shuffle their library a whole bunch of times (once for each copy)

On average, holographic and Special Art Rare cards - the most valuable and rare Pokmon cards in each set - weigh slightly more than common cards, according to the testing I've done