Given many of these cards are commander favorites, theres certainly a good deal of value to be had
It was also one of the first games in the series that I played, so I was much more forgiving of its flaws than I might otherwise have been if I'd been following the games religiously
Each grading company has their own set of criteria for card grading

Metagame Breakdown 178 Dinosaur (169 True King Yang Zing Dinosaur, 6 True King Dinosaur, 3 Dinosaur) 148 True Draco (69 Invoked Spellbook True Draco, 44 Demise True Draco, 4 Invoked True Draco, 12 Demise Spellbook True Draco, 5 Windwitch Spellbook True Draco, 1 Artifact True Draco, 1 True Draco, 1 Trickstar True Draco, 1 Windwitch Invoked True Draco) 67 ABC (58 ABC, 9 Invoked ABC) 30 Invoked (10 Invoked, 7 Spellbook Invoked, 5 Kaiju Spellbook Invoked, 3 Kaiju Trickstar Invoked, 2 Kaiju Invoked, 1 Artifact Kaiju Invoked, 1 Kaiju Spellbook Trickstar Invoked, 1 Windwitch Kaiju Invoked) 27 Yang Zing (26 Dinosaur Yang Zing, 1 D/D Dinosaur Yang Zing) 19 Trickstar 18 HERO 18 Magician (6 Performapal Magician, 5 Magician, 4 Invoked Magician, 2 Performapal Odd-Eyes Magician, 1 Spellbook Magician) 17 Metalfoes Zefra True Draco 16 SPYRAL (10 SPYRAL, 3 Ancient Gear SPYRAL, 3 Grass SPYRAL) 7 Infernoid (3 Infernoid, 3 Grass Infernoid, 1 Grass Invoked Infernoid) 6 Kozmo (3 True Draco Metalfoes Kozmo, 2 Demise Artifact Kozmo, 1 Kozmo 6 Windwitch Kaiju Luna 4 Demise Phantasm Spiral 4 Magical Musketeer 3 Brilliant Predaplant Gouki HERO 3 Monarch (1 Domain Monarch, 1 Monarch, 1 True Draco Monarch 3 World Chalice (2 Kaiju Brilliant Venus World Chalice, 1 Brilliant Venus World Chalice) 2 D/D 2 Evilswarm 1 Blackwing 1 Burning Abyss 1 Fluffal 1 Grass Nekroz Phantom Knights Burning Abyss 1 Kaiju Grinder Golem 1 Ojama Paleozoic 1 Shiranui 1 Ritual Beast 1 Windwitch Luna 1 Zefra Dinosaur True King Yang Zing Dinosaur begun in the shadows of Invoked Spellbook True Draco, but quickly overtook during mid-format and dominate till the end (almost)

I think Grim Flayer will be a four-of in plenty of B/G Delirium strategies
Players can't take actions in between