The flavor text on Pidgeot's card explains how it often hunts for Magikarp by scouring rivers at high speeds to snatch them from the water, which is exactly what the card depicts
Your card is about 63 x 88 mm, so the sleeve needs a little wiggle room so youre not cramming cardboard like youre trying to fit a bulk rare into a top loader sideways
In doing so, graders look at various factors
The majority of expensive Pokemon trading cards originate from the late 1990s or early 2000s, such as the elusive Charizard and Birthday Pikachu, so its especially odd to see a Pokemon card from only a few years ago become one of the most lucrative ever
If the target is illegal as Rust Harvester's last ability tries to resolve, it won't resolve and none of its effects will happen
It makes Stage 1 attackers that are already good even better