Eiganjo Uprising is a rare Sorcery card from Kamigawa: Neon Dynasty Promos (PNEO), collector number 217p. Current market price: $0.25 (foil $0.25), TCGplayer market prices via Scryfall.
Create X 2/2 white Samurai creature tokens with vigilance. They gain menace and haste until end of turn. Each opponent creates X minus one 2/2 white Samurai creature tokens with vigilance.