yugioh deck builder A beginner's guide to competitive Yu-Gi-Oh! (Part 2: Construction) : r/ Battle Of Chaos Deck Builder

Based on real market value, not guesswork

Teddiursa can be obtained from Secluded Springs pack in the Secluded Springs set

And if a raw card looks mint and could potentially earn a PSA 10, why would the seller let it go instead of grading it themselves

It is one of two being introduced in this set, and has an inclusion rate of 0.222% as your 4th card, and 0.888% as your 5th card: Immersive Lillie After the above, the next rarest cards to get your hands on are Shiny cards, then Full Art cards

This Trainer-Item card is from the Pokmon TCG Scarlet & Violet - Journey Together set (153/159)

Since this card was so limited in its release, you likely won't find one at your local card show, and should expect prices to rise over time as more of these disappear into private collections