You just clamp them directly onto your battery terminals, turn it on, and after a few seconds, try to start your car
I will definitely be slotting this into a handful of different decks to see how it shakes out in practice, but I expect it to probably only work well in a couple of those decks
These signs can be easily cleaned with water or a mild detergent
However, not everyone knows about this method of checking Pokmon cards since the evolution of Pokmon is a feature of characters you can learn about by watching a cartoon
That's still decent though, you could use it alongside a removal spell as a 1-2 punch, or in response to a boardwipe to punish whoever cast it
As new people flocked to the scene, prices for the rarest cards skyrocketed and packs for new sets flew off store shelves