Once you put him in a rainbow-color deck, Draco becomes much easier to cast, but to this day, he still one-ups all other creatures when it comes to highest converted mana cost
(2025-06-06) If the monarch leaves the game during another player's turn, that player becomes the monarch
I will say for the card that it is still quite powerful and therefore would not seem too out of place in a cube
The Emperor, Hell Tyrant (Yawgmoth, Thran Physician) Yawgmoth, Thran Physician is a Modern staple (there's a whole deck named after him), so the Emperor art would be a nice addition to die-hard fans of the deck
For example, you may cast an artifact creature spell as your artifact spell and cast another artifact creature spell as your creature spell
One could argue even Gamma playtest cards implied a Creature type in that the Creatures themselves were of various types (e.g., Drudge Skeletons and Shivan Dragon)