The archetype allowed itself to go between different monster types depending on the spot of a combo it finds itself in, which made the deck incredibly versatile
But even the alternate cost of these has nothing on
Overall, Precious Trolley might have less power as the game goes on, but it is arguably the strongest setup card in the game
Eminence is an ability that allows your commander to do something while in the command zone, with the most broken examples being Edgar Markov, which makes a 1/1 Vampire whenever you cast a Vampire, and The Ur-Dragon, which makes all your dragons cost one less
If Dragon Master Knight was easier to summon Id use it way more
Considering how many amazing Dark decks have been made over the years, this deck was a clear frontrunner to stop them all in its heyday