how rare is a gx pokemon card Charizard-GX | Burning Shadows [Lightning][Lightning][Colorless] Thunderbolt 10 120 Understanding Pokémon Rarity Symbols and

Level Limit Area B allows you to put all of your opponents bigger monsters in a weaker position, meaning you can play your own XYZ monsters and get rid of those threats

This usually works best with Threatens to circumvent giving the creature back, but its a fine strategy for repeatable mind control effects

To answer your second question, for a long time there were only a few companies grading Pokemon cards on a large scale, which were PSA, Beckett and GMA (and the now defunct MAP grading)

Someone probably saw the post by KEI (or nine on the new forum I guess) and added it to Bulbapedia

When that condition is met, this becomes a piece of your critical mass of early plays

Trap resistance is strong against Fiendish Chainand Compulsory Evacuation Device, and the range is narrow, but there is no loss