This set of Datacards contains 7 large-format cards detailing the Powers of the C’tan, the psychic powers from Codex: Necrons. There are 6 powers on individual cards and the seventh card explains how to use them. Also included is a full set of 36 Tactical Objectives cards, including the 6 unique Necrons Tactical Objectives from Codex: Necrons.
You will need a copy of Warhammer 40,000 to use these cards.
These cards are OOP and for 7th Edition Warhammer 40k, not the current edition.