though not every set – and not every Charizard – is expensive. Secret Rares, also called Rainbow Secret Rares are a mainstay among the most popular Sword and Shield sets, and Darkness Ablaze's ...

The Shiny Charizard ex shown in the trailer for Shining Revelry has two new rainbow symbols in the rarity section of the card, however, leading me to believe it will be even harder to find.