Rainbow's Delight(s)!! Because they're always a delight to have!
Guaran Tea Fruit!
Twisted Treat!
Because ya girl has.... hopes and dreams...
As far as RAP upgrades go I have a strong lean towards those Oni Fangs and totally don't have at least 2 kids I'd slap those on immediately.
The chance to somehow gain a small light green Drakesprite, a small feathery lad!