yugioh zorc necrophades deck Yu-Gi-Oh Timelines Theory 2020 - General Here is my Dark Master

Duel 105 (Duelist Duel 46): "No Mercy" Obnoxious Celtic Guard is an Earth-type Level 4 Warrior / Effect Monster with 1400 ATK and 1200 DEF

There are only 124 PSA 10 copies in existence

So, an Amethyst/Steel card cannot go into an Amethyst/Amber deck

20 PSA 10 Holographic Shadowless First Edition Chansey: $35,000 Despite not being one of the iconic starters or legendaries, Chansey is still one of the most valuable cards from Pokemon's Base Set

Considering the recency bias that could come into play here, more modern formats from the past few years wont take a place on this list

Dragons, while powerful, usually come in small numbers because their average casting cost is much higher than a traditional aggro decks curve