The late Ed Elslager created a pretty nice group of hostas during his time and one of the nicer ones is called 'Color a la Mode'. It's an interesting cross of 'Color Fantasy' and hypoleuca that isn't really around very much. Rarer still is the streaked form 'Labyrinth'. This one has some interesting parental potential as it sets viable seed and gives a good percentage of streaked seedlings.
Technically a reversion to the original streaked form, a small number of these plants came from TCing 'Color a la Mode' at Q and Z Nursery. As Q and Z has no plans to place 'Labyrinth' back into culture, the few that came as byproducts will likely be all there are. We're not sure how many there were but it wasn't very many and 'Color a la Mode' seems to be no longer in production.