Wayfaring Temple is a uncommon Creature — Elemental card from The List (PLST), collector number MM3-202. Current market price: $0.24, 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.)