This is mainly because of how easy it is to untap an artifact without having to follow all the stipulations laid out on Time Vault itself
The more I test the more I see, in this archetype you want the cards more than to see 1 specific engine card, so Prosperity is probably worse
Use cards like Mahadi, Emporium Master to generate a huge amount of treasure tokens after Rakdos triggers his ability, then use them to cast the rest of your Demons
You can't lose the game by having zero or less life, but any damage done to you is through the Phyrexian mechanic of Infect
pushing in on the Life Point buttons while turning on the device will toggle voice clips for other characters
There are six Illusion monsters in Duelist Nexus - Nightmare Magician, Mirror Swordknight, Cornfield Coatl, Big-Winged Beformet, Chimera the King of Phantom Beasts and Gazelle the King of Mythical Claws - which all share the effect text: If this card battles a monster, neither can be destroyed by that battle. The introduction of Illusion monsters in Duelist Nexus marks the first new monster type to be added to the Yu-Gi-Oh