Doomsday Confluence is a rare Sorcery card from Doctor Who (WHO), collector number 372. Current market price: $1.25 (foil $0.96), TCGplayer market prices via Scryfall.
Choose X. You may choose the same mode more than once. • Each player sacrifices a nonartifact creature of their choice. • Create a 3/3 black Dalek artifact creature token with menace. • Each opponent discards a card.