The War Games is a rare Enchantment — Saga card from Doctor Who (WHO), collector number 30. Current market price: $0.29 (foil $0.48), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after IV.) I — Each player creates three tapped 1/1 white Warrior creature tokens. The tokens are goaded for as long as this Saga remains on the battlefield. II, III — Put a +1/+1 counter on each Warrior creature. IV — You may exile a nontoken creature you control. When you do, exile all Warriors.