There are a ton of rare and valuable cards in the Obsidian Flames set
Still, there are so many cool Dinosaurs in the main set and the Commander deck that I really wanted to build a Dinosaur deck, so I turned to the other new choice, who isnt even a Dinosaur, but rather a Dinosaur-loving former Planeswalker who lost her spark Huatli, Poet of Unity
It can be a little slow to set up, but once its rolling, its a behemoth
Vessel for the Dragon Cycle X SPELL Send 1 Wyrm monster from your Deck to the GY, then if you control a face-up non-Effect Monster, you can add from your Deck to your hand 1 "Tenyi" monster with a different name from the monster sent to the GY
So, if this card rings a bell (its not exactly easy to forget) I would strongly recommend that you start looking for it and hope that its still in clean condition
When I started grading my cards in the 90's I didn't have any real guidance and I made my share of mistakes