>>34701623>Swift Swim+Triples Speed in rain
>Adaptability+3x STAB
>Regenerator+Heals 50% on switching out
>Harvest+75% chance to recover a berry
>Beast Boost++2 to highest stat upon knocking out a Pokemon
>Sheer Force+Power boost raised to 1.5x
>Pressure+Drains 3 PP per move
I would go on, but this shit would make the metagame so damn cancerous. The potential benefits far outweigh the cost of using up your item slot.