Machina Assault Unit Continuous Spell Card Lore: Once per turn, if a Machine monster(s) is sent from your hand or field to the GY to activate a card or effect: You can target 1 "Machina" monster in your Spell & Trap Zone or your GY
Jokes aside, while the pairing doesn't make much sense without reading too far into things, Onix's expression is aptly grim, considering the things it probably saw while inside a McDonald's
These decks are pretty different, too, so picking one at random might make things more complicated, depending on how familiar you are with Yu-Gi-Oh games in general
It's a new card, though functionally, it is the same as Typhoid Rats
They are always sweeping and dusting, using their tails as brooms. Attacks Call for Family Search your deck for a Basic Pokmon and put it onto your Bench