Collect Evidence should have just been called Collect or Research or something, because the mechanic itself is honestly pretty flexible. It also has the big advantage that you don't need extra gameplay trackers, unique tokens, or special frame treatments to reuse it. Mechanics like that feel surprisingly rare in this day and age.
I honestly wonder how different Magic would be if the design team had a hard limit of one new mechanic per set for a few years...
I honestly wonder how different Magic would be if the design team had a hard limit of one new mechanic per set for a few years...