Personally, I think the best way to burn the Gävle goat would be to infiltrate the security team, play the long game y'know. Join the team and keep the goat safe for 3 or 4 years, maybe even 10 years, make them trust you, maybe marry a fellow security person. Then, when they least expect it, whoosh up goes the goat, your beloved is the first on the scene, you see the devastation in their eyes as they ask ‘why? Was it all a con?’ And you will sweep your beloved off their feet and dip them in front of the blazing goat as the head crumbles into itself sending up a column of dramatic flames. And you will declare your love for two things: arson, and them. And then you sloppy kiss and run away from the law together.
Eighteen years later, a young person who looks suspiciously like the both of you joins the security team…