Destiny 2: Forsaken Baron Playing Cards
From Destinypedia, the Destiny wiki
Destiny 2: Forsaken Baron Playing Cards were a limited edition pre-order bonus available for the Legendary Collection of Destiny 2: Forsaken expansion released on September, 4, 2018. In the US they were available to preorder from Gamestop, while in the UK they were available from GAME.
The cards are designed after characters who appear in the Forsaken expansion such as the Scorned Barons.