City of the Daleks is a common Plane — Skaro card from Doctor Who (WHO), collector number 575. Current market price: $0.29, TCGplayer market prices via Scryfall.
Whenever you attack, target opponent loses X life, where X is the number of artifacts you control. Whenever chaos ensues, for each opponent, you create a 3/3 black Dalek artifact creature token with menace that attacks that opponent this turn if able. Those tokens gain haste. Sacrifice them at the beginning of the next end step.