Artificial Heart!Patton being solo is all well and good. Just a creepy little guy with a fake heart of unknown origins. We love Patton being the only villain in this Unsympathetic Patton house.
Buuuut....Logan being the one who made him the artificial heart when they were younger has a lot of potential. I think it's no secret that Logan is the family's little scientist. So when he first met Patton, he wasn't....comfortable to say the least. He had to have something to control whatever this thing was. And if creating something for him happened to help Patton with whatever chaotic plans he has, then so be it.
So long as he's easier to handle. Logan enjoys experimenting anyway so the invention of the artificial heart was challenging and very, very rewarding. Cold Scientist Logan who couldn't care less about Patton's existence and literally creating something that'll make him less of nuisance- even slightly- just cause with a Chaotic Evil Jolly Patton who has fake emotions that pops into Logan's lab to give him "affection" and ask for favors occasionally. It's glorious.
So imagine the aftermath of Patton obtaining the Orange Side's nectar and rushing into Logan's lab.
"Logan!~ I have a brilliant new idea!", He tackles him from behind mid-experiment, nearly knocking a very delicate chemical out of his hand, "But I need to borrow your big meaty brain real quick to pull it off!"
Logan is not pleased by his presence but remains apathetic nonetheless. He simply asks what he needs so he can go back to work.
Patton giggles mischievously, "Oh, you'll love it! Trust me!"
He pulls out the container holding the Orange Side's nectar.
"See this?~ It's a little something I picked up in that...forbidden palace.", He cooed with a grimace, "This sweet tasting stuff is apparently our little guy's repressed vices. Turns out it's real dangerous to consume or use if you don't do it correctly, hmm? ....Got a clue what I'm hinting at?~"
Patton pouted, "Don't make that scary face. My curiosity has good intentions."
"Yeah, sure it does. Get to the point."
"Kay, kay! Mr. Impatience!~", Patton slung his arm around Logan's shoulder, "I was wondering...is it possible for you to replicate that cute little trinket you gifted me all those years ago? I think having some I can implant in the others might give me a bit more of an edge....and ofcourse, you a bit more entertainment.~"
"So, let me get this straight...you want to fill replicas of your heart- which I'm not even certain I can create- with that liquid you stole from the Dark Sides so you can use it to control discourse between the others? And you want me to somehow insert these replicas in them without them knowing?"
Patton nodded, "Uh-huh.~"
"Alright.", Logan took the container out of Patton's hand, "It sounds challenging. Absurdly so."
"Yay! You're the best, Lo!"
"Those 'hearts' you requested may have to be smaller than average.", Logan pondered, disregarding his praise, already starting the blueprints, "Considering your....imaginative requirements for this to work, I don't think implanting these will be a small order. I'll have to adjust some things. While also starting from scratch. .....So thanks for that."
"Oh, stop pretending you don't love this!", Patton pranced out of his lab, "I'll leave you to it!"
Yeah....so many scenarios can come of this. The possibilities are endless.