A voucher or Joker that lets the fool work with spectral cards.
If a voucher, the upgraded version could possibly be the fool creates 2 copies.
#Voucher or Joker for the Fool
bleak flax
analog moon
The Soul
drifting badger
indigo lava
This is way too oddly specific for an entire voucher/joker and wouldn't be that useful in most runs
Like the only strong thing you can do with this is extra immolates - good luck finding this voucher, an immolate, then finding fool without using a single other tarot or planet
umbral lark
No :(
last harbor
This is way too oddly specific for an entire voucher/joker and wouldn't be that ...
Honestly I feel like it happens to me pretty often where I’ve been keeping a fool until I use a good card