The lucky penny is broken af. For example, you can use it to replicate everything else on the list or learn abilities to match them or better.

Basically, it’s exactly how luck is purported to work in various fictional universes. It’s kinda similar to Constantine’s (hellblazer) ability.

Edit: I am seeing people disagree with the penny, but unless the penny is magical in not only giving you luck but also in how the flip goes you can practice to make the flip go in your favour by practicing (I have been able to take the equivalent of a penny in my country and make it fall on the exact side I want almost every time)

With no explicit negative feedback and the penny going dormant in between, you can absolutely practice it. Hell make it so the first time you get the lucky heads you both practice and attempt to make the penny’s lucky effect permanent or at least semipermanent so that it goes in your favour the next fortnight you are supposed to flip it (if it can’t be made permanent without flipping)