In theory, a deck of 39 Swamps and a Pack Rat could mulligan to try to find it and win a lot of games by doing so, which is a property that no other card has ever had (and I sure hope no other card has again)
No one is going to cut you down in the middle of the street for calling a Pokmon card by the wrong name (unless theyre jerks), but nothing else would make you stick out like a sore thumb in a community like that
Or, you can simply not put a physical token on the field and just picture them existing
Countering spells are the toughest thing to replicate in other colors, but I've got your back with the top non-Blue counterspells
Planeswalker commanders are more vulnerable to being removed in combat, so it's likely you'll cast Quintorius a few times in a game
I can see this Dagger showing up in Syr Konrad, the Grim or Nath of the Gilt-Leaf, for example, and there's certainly other homes for it as well