definitely:
HP Lovecraft Tarot
probably:
Revelations Tarot (Unpublished, used to be called Adflatus)
maybe:
Bosch Tarot
Buddha Tarot
Celtic Dragon Tarot
Comparative Tarot
Dante Tarot
Fantastical Tarot
Fey Tarot
I Ching + book with explanation (TAO Oracle ?)
Radiant Rider-Waite Tarot and/or Universal Waite Tarot
Rider-Waite (one that is reversible, unlike the one I have now)
Secret Tarot
Tarot of the Saints
Tarots of the Sphinx (I'd like an Egyptian-style deck, and this one seems best)
less likely:
Ancient Egyptian Tarot
Celtic Tarot (De Burgh)
Crystal Tarots
Discordian Tarot
Gilded Tarot
Giotto Tarot
Leonardo da Vinci Tarot
Liber T: Tarot of Stars Eternal
Manara: The Erotic Tarot
Margarete Petersen Tarot (If it exists in English)
Old English Tarot
Pythagorean Tarot
Ramses: Tarot of Eternity
Roots of Asia Tarot
Ship of Fools Tarot
Sola Busca Tarot
Tarot Art Nouveau
Tarot of Casanova
Tarot of Dürer
Tarot of Marseilles (Camoin Jodorowski or Hadar) (Just because it's a major style of deck)
Tarot of the Druids
Tarot of the Journey to the Orient
Tarot of the Master
Tarot of the New Vision
Tarot of the Sephiroth
Tarot of the Trance
Universal Tarot (de Angelis)
Vision Quest Tarot
World Spirit Tarot
(The line between "maybe" and "less likely" should be taken as rather vague. The "definitely" is definitely "definitely" though.)