Huh. Roughly "Can you mess with attachments, yes? Win."

Yeah, this seems a bit too easy. For example, Essence Leak + this + Aura Graft. Some controllish deck with Confiscate and Simic Guildmage perhaps could be better.

The flavor is interesting, but I doubt the same can be said about the gameplay loops this encourages.

This is just a johnny card. Its cost can be balanced however it needs to be. Frankly, I'm not concerned about any 3 card combos breaking modern, regardless of how cheap the pieces are, especially when some of the individual pieces are this do-nothing.

Huh. I had to check Rule 303.4 to see if two auras enchanting each other was even legal. But I guess it is. Weird.

It's not really a Johnny card though. There's a very specific thing you have to do, so there's no creativity in solving. Even something like Laboratory Maniac, which in practice has very few unique decks, has many different ways of potentially building a deck to run out of cards. This, it's just too narrow

I think Maniac is somewhat of a failure when it comes to these kinds of alternative win-cons as getting rid of your library is a bit to easy.

On the other hand, while I relatively little personal experience with the card, Biovisionary I see as something that encourages enthralling and novel gameplay.

I agree that there's very little you can actually do with this Query card. You can 'solve' the card with a single gatherer search as far as I know. That limiting factor is so great that it could be argued that the card is more of a Spike card since it comes to optimizing those particular cards to achieve the effect, even if it's a combo deck.