why is the charizard card so rare

why is the charizard card so rare Idk really know much about cards but I have this and I've been told it's a anyone know if that's true? : r/pokemon Pokemon card sells for $336,000.

Name: why is the charizard card so rare Idk really know much about cards but I have this and I've been told it's a anyone know if that's true? : r/pokemon Pokemon card sells for $336,000.
Brand: alisraacharity.sy
SKU: 80620429718
Price: 27.06 USD
Availability: InStock
Rating: 4.794700000000001 (15 reviews)

SKU: 80620429718

4.8

USD27.06 USD60.06

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Description

These always take the form of creatures you control get +X/+X. The most common buff is +1/+1, but this can include anything from +1/+0 to +5/+5 and beyond

Even the ones that claim to chase power usually strike a balance between historically powerful (read: not stand-alone powerful in [current year]) cards, and newly released (read: not yet nostalgic or iconic) cards