His Mardu colour identity is important too, allowing the deck to break outside of the usual Rakdos colours for vampires and include all the white vampires that have been printed in recent times, as well as providing access to enchantment removal which historically black and red have struggled with
I realize that this sounds a lot like unfair combo decks but the difference is that the mana an unfair combo generates is temporary to produce an instant win where Ramp's advantage is turned into permanents
From there, whenever you attack with a Flier, you can have it become a four-power Dragon until end of turn
Displaced Dinosaurs makes every artifact token you make (Treasure, Clues, and Food come to mind) into 7/7 creatures, and its not hard to make a ton of artifact tokens these days, whether Treasure in Golgari or Clues in Simic
The four mechanics are populate, madness, flashback, and morph, which were accidentally revealed by a product listing two weeks ago
6 Arvinox, The Mind Flail How To Demolish A Mind Palace In Three Easy Steps Arvinox initially saw life as a Secret Lair drop , then later as a Universes Within reprint