yugioh card back side How to Identify Fake Yu-Gi-Oh Cards: 4 Easy Methods Yu-Gi-Oh! – Gamescape

Well update this page with official information once it has been confirmed

Thundering Sparkmage Thundering Sparkmage could have some potential if it read X damage to any target. Unfortunately it says X damage to any creature or planeswalker . Build-your-won Flametongue Kavu is always a fine payoff for a strategy, but always begs the question why you wouldn't just play Flametongue Kavu instead

I suspect its going to be from either sacrificing creatures to something, like Greater Good or Altar of Dementia, or a combat in which you intentionally sent creatures into harms way

Unfortunately, finding a new card of such a Charizard is challenging, and sealed boosters from 1999 can be sold for several thousand dollars