Platypus-Bear is a common Creature — Platypus Bear card from Avatar: The Last Airbender (TLA), collector number 236. Current market price: $0.09 (foil $0.20), TCGplayer market prices via Scryfall.
Defender When this creature enters, mill two cards. (Put the top two cards of your library into your graveyard.) As long as there is a Lesson card in your graveyard, this creature can attack as though it didn't have defender.