I went through my oracle list...and these are all oracles that have cards smaller than the standard tarot.
And I know I have more, but these were just off the top of my head...
LOTR oracle
Astrology cards
Palm deck
Gypsy Witch
Archetypal Reiki
Medicine Cards just for today
Fairy and angel Oracle
Domino Divination cards
Q-Cards
The Ladies Oracle
The Book of Destiny
Parlour Sibyl
Psycards
Answer deck
Harmony Angel cards
Faerie Wisdom
Fortune Tellers Deck
Ouiji Oracle Cards
Romani Fortune Telling
Russian Gypsy Fortune
Everway
Destiny's Fortune pack
Dream oracle
Fortune Witch
Lovers Oracle
Wiccan cards
Good Witch Bad Witch