A Pokmon card stored safely in a sleeve and toploader
Example: Poised Practitioner or Krotiq Nestguard
The unique templating not only ensures an irresistible amount of damage to the target, but unlike other one-on-one fight spells, theres no risk of being blown out by opposing removal on the friendly target
Goldin Auctions states they just sold an SGC Gold Label Pristine 10 1 of 1 example of the Charizard for nearly $400,000 in their December Holiday Auction. While the card alone can sell for a ridiculous amount, booster box prices have also seen their value rise
If you have a particularly valuable card, you can approach an auction house like PWCC, which will help you sell the card for a fee
As for Tiduss card, it can create a slowly expanding counter-based growth each turn