As for said restraints The card NEEDS to use the 5 Forbidden One pieces, original names and all, to get out, and during the end phase, it shuffles itself back into your extra deck (like a Neos Fusion monster) while also spitting back out the stated materials
Draconautics Engineer provides a lot of value in an aggressive goblin deck, giving haste to your other creatures, easily becoming a 3/3, and later making a dragon
Necroid Synchro X SPELL Banish 1 Tuner and up to 2 non-Tuner monsters from your Graveyard, and if you do, Special Summon 1 "Stardust" Synchro Monster from your Extra Deck whose Level equals the total Levels of those banished monsters, but it has its effects negated
1 Pegasus, who had previously researched the history of Duel Monsters, studied the ancient text on the "Legendary Dragons" stone tablet and learned that the current forms of the "Legendary Dragons" were not their true forms
For example, when Haldan, Avid Arcanist enters the battlefield, a player can search their library for Pako, Arcane Retriever, put it into their hand, and then shuffle
Thats kind of what retro Yu-Gi-Oh looks like too