You are smarter than this.

We are. So that begs the question, what have you done to ensure that a smart player could figure this out on their own?

You have told us A is acceptable. You have told us B is acceptable. You have told us C is acceptable. You have run promotions with A and C together, and with B and C together, and said that these combinations were fine as well. You then clearly said you might try new combinations and ideas in the future.

Then you ran A + B together.

So let me rephrase the same question another way. Logically what is the most reasonable conclusion about the viability of A + B?

You're smarter than this too, Mod Orion.