Rather then messing with items, I find messing with Pokemon more interesting.
They can bring out different stuff…well but not as useful as items which could leads to something useful (beating yellow in 0:00)
But here's something I've come across to:
Edit: The whole long nidoqueen's "true cry"(not) here : https://youtu.be/yopTQTbbPiM
What else you came across to before? :P