yugioh 25th anniversary mega tin card list Konami, Yu-Gi-Oh! TCG: Dueling Heroes Yu-Gi-Oh! TCG | Sealed Tins

It seems that it can be used for a final blow somehow But it's a Normal Spell, so it's tough because the timing to use it is limited

You would be fine with the third copy in your deck

Many collectors like to hunt down the rarest of the rare Pokmon cards

Every other timing rule for casting spells still applies: If the mayhem card is an instant, you can cast it any time you have priority that turn, but if it's a creature you can only cast it at sorcery speed (unless another effect gives it flash)

Compare the backs Check to ensure the colours match with an authentic card (especially the shade of blue) Fakes will have slightly darker or a lighter border Avoid cards with washed out backs No edge bleeding - the border should be separate Pokmon card backs have been the same for decades, meaning that comparing cards using the backs is a reliable way to check if a card is fake or not