Wayfaring Temple is a rare Creature — Elemental card from Return to Ravnica (RTR), collector number 209. Current market price: $0.31 (foil $0.50), TCGplayer market prices via Scryfall.
Wayfaring Temple's power and toughness are each equal to the number of creatures you control. Whenever this creature deals combat damage to a player, populate. (Create a token that's a copy of a creature token you control.)