rare dratini card The PSA 10 from the Donald Duck & Friends Danish comic release: POP 14 worldwide 🌍 This Dratini originates from the Danish variant of the Donald Duck comics that included two Strange Barrier Pokemon - Dratini 157/197 -

Obviously, they dont have the space to cater to TCG-events, but Im not sure why they wouldnt try to capitalize on graded singles and sealed, seeing how it appears that Costco, Wal-mart, CVS/Walgreens and Target appear to be the current benefactors of the everyone buying and holding modern sealed

Grazilaxx, Illithid Scholar This isn't exactly the Ninjutsu type of effect, but it is somewhat similar, and allows you to exploit some powerful ETB effects over and over again

There are some fairly nasty red, additional combat phase creatures that could go infinite with this, such as Port Razer or Lightning Runner, and something like World Shaper

Fun fact: Gengar can hide perfectly in the shadows of its opponents, making it a master of stealth battles