meganium pokemon card POKÉMON 2000 NEO GENESIS 1ST EDITION #11 HOLO PSA 10 This formidable Mega Evolution Pokémon EX showcases the potent Giant Bouquet attack Meganium | Lost Thunder |

So which Amber cards are the best

They may activate its Trigger keyword ability instead of adding it to their hand

Giancola provided no statement about why, and Wizards of the Coast hasn't given an official statement about this, but a licensing/copyright issue is most likely

A universal size offers several advantages: Easier manufacturing Consistent printing quality Lower accessory costs Universal sleeve compatibility Better tournament organization Simpler shipping and packaging Improved long-term storage Because the dimensions remain consistent across expansions, players can mix cards from different legal sets without physical differences affecting gameplay