When you chase the money, especially with Pokemon cards, you will get burned nine times out of ten
Despite its age, it does feature the classic touches youd expect from a Yuka Morii card, being a photo of a clay Pokmon model in a natural environment, with no obvious post processing on the picture (aside from the snowflake stamp in the corner, denoting its Countdown Calendar status!)
While it is niche - there needs to be a reason to have this in a Tron or Eldrazi sideboard, for instance - when it's powerful, it's really powerful
Price: Ranges from affordable to several hundred dollars for popular/meta cards
Honorable Mention: Yuriko, the Tigers Shadow While neither a rat nor directly synergistic with rats, Yuriko, the Tiger's Shadow does have commander ninjutsu, and theyre both one of the best Dimir commanders, and one of the best aggro commanders