Because of how expensive this card is to buy
All you have to do is get a Darkness Energy onto Munkidori to use it, shifting the dynamics of the board after each attack you take from your opponent
Similarly to the recent Dungeons & Dragons, Honor Among Thieves Secret Lair, this should prevent a hypothetical Universes Beyond crossover from seeming too out of place
Always switch off the machine as described earlier in this manual during maintenance or when leaving it unattended, to avoid electric shock or short circuit
Most cards also only have a single Type even if in the video games that Pokmon has two Types
You could put it in a fat pack box, tape that up with another packing slip or copy of the shipping label attached, then put that inside a small reused amazon/ebay box with some reused packing material (you probably have some lying around)