how rare is an ancient pokemon card - Roaring Moon ex 124/182 - Paradox Rift - Pokemon - Double Ancient mew PSA 10 perfect

This card can be dominant against EX cards as well as regular Pokemon plus you can move this card in and out of the active Pokemon spot at will because it has a free retreat cost

While other cards can do this, it's the fact Arcum's Astrolabe only costs one mana from any snow land to cost that makes it so powerful it had to be banned across multiple formats.

Chinese Pokmon Gem Pack Vol.3 [CBB3C] Simplified Chinese Booster Box This exclusive Gem Pack Vol.3 continues the wildly popular Chinese Pokmon card series, offering an exciting blend of fan-favorite monsters and dazzling card artwork, all in Simplified Chinese

But they are here in my Honorable Mentions since as planeswalkers, they're the most answerable permanent by attacking, removal or burn

Protecting Ungraded Cards: Storage and Display Options Raw cards need the most aggressive protection because they lack even the minimal shielding that graded slabs provide

With high mana costs and the threat of removal, you might want to steer clear of these mixed options