The wheel spins slowly enough that it is really just a complicated way to choose which card you want next. With the correct answer seeming to always be alternating between "Block incoming damage for two turns" and the biggest attack. It needs more of a tradeoff when turning up the spin speed, which means it needs to be harder to control.
Viewing post in Spin Quest jam comments
Yeah, it is just a complicated way to choose the next card, we could've done more complexity but didn't want to do the game too difficult, especially against later enemies (even tho not many players reach those thus far). Making a bigger tradeoff was easy enough but we wanted to focus more on the strategy, not difficulty (even tho later enemies are extremely difficult). Only on the first few enemies the strong attacks and shields are what's needed, later enemies have other strategies needed to be used because they have shields, or can break your shields or you need to heal/break their shields or other mechanics available later on. Thanks for playing and for the feedback!