charmander pokemon card rare Most Expensive Pokémon Cards Colorless Rage (10+) Does 10 damage plus 10 more damage for each damage counter on Charmander Charmander (JP) – FlipDexTCG

SAR rate is approximately 33% (1-in-3 boxes), and MUR rate is approximately 2% (1-in-50 boxes)

That card indeed exists, and it can be found in the Jurassic World Collection bonus sheet from The Lost Caverns of Ixalan

: Destroy each nonland permanent with mana value X whose controller was dealt combat damage by this creature this turn

13.2 If a Lot is unsold at the Sale, the Company is authorised by the Seller as the Seller's sole agent to sell the Lot by private treaty or by auction for a price that is not less than the Agreed Reserve at any time within 28 days after the Sale, provided that: (a) if the highest offer for an unsold Lot is referred to the Seller then the Seller may accept that offer