Vitu-Ghazi Guildmage is a uncommon Creature — Dryad Shaman card from Return to Ravnica (RTR), collector number 207. Current market price: $0.21 (foil $0.76), TCGplayer market prices via Scryfall.
{4}{G}{W}: Create a 3/3 green Centaur creature token. {2}{G}{W}: Populate. (Create a token that's a copy of a creature token you control.)