This deck contains a 32-card universal Rivals deck, consisting of:

- 12x objective cards
- 10x gambit cards
- 10x upgrade cards
- 1x plot card with additional rules for using the Fearsome Fortress deck

You'll need a Warhammer Underworlds warband, including their fighter cards, to use the contents of this deck.

The Rivals format is designed to be the most accessible way to play Warhammer Underworlds, as players face off using pre-made decks in a test of skill.