team rocket returns booster box EX (TCG) Found Ex Team Rockets Return

Although Unlimited is printed way more often than Alpha or Beta , there are still only 48 copies of this card currently available in Europe

I'm not 100% sure what monster you want to include to trigger the ATK increase but "Dark Magician" and "Magician Girl" are both established Archetypes so you could just use both of them and frankly it wouldn't be too broken IMHO if it just got 100ATK for every Spellcaster in the GY

There are no hard and fast rules because midrange takes many forms, but there are patterns

You should be able to win the game this way

Cards take on a different significance in a multiplayer context

[8] These are proxy cards [9] with unique backs, making them ineligible for tournament play, and use a modern card frame instead of the classic frame from the original version