Infernos power has to become exactly 20 for the trigger to happen, so if an opponent foolishly stacks a bunch of firebreathing triggers and you have a pump spell in hand, you can wait until Inferno hits around 18-19 power, pump it to 20 or above, and make it miss the damage altogether
If they are changed, your alters wont be accepted in most tournaments
This is a smart move, as the roster of cards is not big enough to reinvent the wheel for each Ink color combination, but one of them got a mechanic that eerily resembles a controversial one from Magic: The Gathering
With a price like that, its no wonder that this card is considered the rarest and most expensive Pikachu card in history
The card features Pikachu in a trophy pose, and because it was never commercially released, the few that remain are incredibly rare