You have 5 custom cards to fix your favorite archetype

Say hypothetically Konami decided to give your favorite archetype a new Structure Deck. In it, a maximum of 5 new cards are added to the archetype. What kind of effects would you put on them? Here's my attempt to update my pet deck: Dark Magician.

Credits: Art by: https://www.deviantart.com/chopstix3631/gallery The Timaeus card is an AI-generated image someone made: The Field Spell is also (seemingly) AI-generated: