1st edition team rocket booster box Factory sealed box. 🚦1 Pokemon 1st Edition Team

Thats also a no

But as long as this one is on the field, it can force them to deal with a never-ending army of dragons

Arcjet Lightcraft is a LIGHT Machine monster, meaning it xan be added from the Deck to the hand with Cyber Repair Plant, and since it has 0 ATK, you can Special Summon more copies with Machine Duplication Number C9: Chaos Dyson Sphere can be Xyz Summoned with Rank-Up-Magic Argent Chaos Force or Resurgam Xyz, but it can also be Xyz Summoned using Chimeratech Megafleet Dragon targeting Galaxy Queens Light, so no need for Rank-Up-Magic

Technically, both cards can do the same theft effect with a small difference: The creature half can exile a card from an opponent's hand, and they pay its mana value to have Valki transform into it