Darkmoon Card of the North

Darkmoon Card of the North is an Inscription spell that creates one of 32 cards at random.

The cards (Ace through eight) are chosen from among the Chaos, Nobles, Prisms and Undeath decks. Combining one each of all eight cards creates the deck, which can then be turned in via a quest to gain one of these Level 80 epic trinkets:

Source
Casting this spell requires 400 skill in Inscription.