That being said, kind of like Tistina before it, this is a strategy that spits out a ton of bodies, limited only by its Extra Deck lock
Use the number of artifact creatures you control when Robobrain War Mind's second ability resolves, including Robobrain War Mind itself if it's still on the battlefield, to determine the number of energy counters you get
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Some can be prepared multiple times while on the battlefield, some can't
This adds a little bit of originality, some will find uses in competitive play, some collectors would want to get these cards specifically (especially if you give them a cool visual design), and it's such a simple thing to do that having to expend an Ability to achieve the same result (hello, Gallade) is a waste