With the newly printed Sengir, the Dark Baron, is a Sengir-themed deck in the offing
While the game will then ask the user to choose between scanning a QR code or entering one manually, only the second option will work for this promo, since The Pokemon Company didn't share any QR codes this time around
The more ridiculous ones include "Half-Kitten, Half-Kitten" (a whole, but stronger, kitten, basically), "Multi-Headed Jellyfish" (which is effectively a bunch of snakes bound together) and "Steam-Powered Engine" (a slightly more bizarre steam engine)
Fueling Tinkaton exs energy with Dialga ex is likely the best approach
It's likely you haven't thought about Pokmon cards since you were 7 years old, and there's a pretty good chance you never actually played the game even if you collected the cards