Wan Shi Tong, All-Knowing is a mythic Legendary Creature — Bird Spirit card from Avatar: The Last Airbender Eternal (TLE), collector number 182. Current market price: $3.28 (foil $3.75), TCGplayer market prices via Scryfall.
Flying When Wan Shi Tong enters, target nonland permanent's owner puts it into their library second from the top or on the bottom. Whenever one or more cards are put into a library from anywhere, create two 1/1 colorless Spirit creature tokens with "This token can't block or be blocked by non-Spirit creatures."