Fans of Yuri and Sora will be stoked.
V Jump is being vague how you receive the cards, claiming they’re “Official Card Game” Cards you get from the campaign included in the June issue of V Jump.
Specifically, the cards you obtain are:
Predaplant Spider Orchid, a Pendulum Monster that in the manga can destroy another Pendulum Card when placed in a Pendulum Zone.
Frightfur Meister was a Pendulum Monster Sora used in the manga to support Fusion Summoning Frightfur monsters.