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It's a videogame, it might be tied to a gameplay mechanic in some way.
What's the example you're thinking of?
We can never truly eradicate the coronavirus, but we can suppress its threat like influenza
Well, it's not from a game you would have heard of. In Head Soccer, the character of Kepler 22B can use the 'Power Shot' (superpowered hit) of any character before it in the roster, but it is randomised from that list each time he uses the power shot.
Do it for science!
Wild magic in Dungeons and Dragons works like that.
Never mind, I found it: Random Effect Spell.
Do it for science!
When a person has superpowers, but every time they are used, it is a random power. Sort of like the Superpower Lottery, but for each use of power.