Ive seen a PSA 10 first edition Charizard from the Base Set sell for over $30,000, while the same card graded PSA 7 only pulls $3,000-5,000
If you're in a position where taking two extra turns and casting a ten mana spell is something you can do, odds are you don't even need the extra turn at all, and can win with whatever you're already working with
It's less likely to appear in a trample matters deck with Tanglesap since that's a much smaller number of dorks and you are rarely running into multiple tramplers from your foes at once
But the rapid cycling through decks made possible by Arcade Game was too powerful
Edgars dominance comes from his Eminence ability: Whenever you cast another Vampire spell, if Edgar Markov is in the command zone or on the battlefield, create a 1/1 black Vampire creature token
Dogged Detective Self-mill decks love Dogged Detective since it surveils cards into the graveyard while being a payoff as a recursive creature