Darkmoon Card of War

The cards (Ace through eight) are chosen from among the Blockades deck, Tides deck, Squalls deck and Fathoms deck. Combining one each of all eight cards creates the a Level 120 epic trinkets.

Source
Darkmoon Card of War is created by using Kul Tiran and Zandalari Inscription; taught by the Kul Tiran and Zandalari inscription trainers, and  for  at a skill of (85). Rank 2 is taught by the same trainers for at a skill of (100). Rank 3 is taught by Recipe: Darkmoon Card of War; purchased from Collector Kojo for and requires revered reputation with the Tortollan Seekers.