Hancock Card

Hancock Card is an epic Triple Triad card.

Source
Hancock Cards can be obtained as a Triple Triad duel reward or purchased from vendors.

Triple Triad duel
Hancock Cards can be obtained as a reward from dueling the following NPC:
 * Kikimo

Vendors
Hancock Cards can be obtained during the Moogle Treasure Trove event by exchanging 7 with the following vendors:
 * Itinerant Moogle