Strip away someones free Dockside Extortionist value, either by having their treasures enter tapped, or sacrificing it on X equals zero for just one white mana afterwards
There are also borderless Final Fantasy artist cards, featuring fan-favorite artists from the history of the series
Your Pokmon cards also need to have some degree of rarity on them
Of course, the underlying problem still remains: Wizards has already reprinted a significant portion of the expensive cards in Modern (and second / third / fourth reprintings are less valuable and exciting than the first), and the most exciting reprints for other formats are on the Reserved List
This is a Planeswalker creature, which allows Ninjutsu to work a bit better as intended
Putting together decks that look incredibly cool, playing with them, and discovering that they're actually gross