The sneak ability has a downside that your opponent can counterspell it, but it has also been printed on some noncreature spells for extra speed and chaos
Fetchlands make that price much, much less
Electrode's high Speed stat has given it a niche role in battles, where it can often outpace opponents and execute strategies involving self-destructive moves like Explosion
It has Trample, and when it dies, you destroy all nonland permanents
This is just enough supply to make sure it doesnt become a brick in the early to mid-game while stacking the odds to raise the chances of a copys appearance in the mid to late-game
Right now the most expensive Pokemon card in our price guide is Shining Charizard, at a market price of $6,502.49