Treasury Thrull is a rare Creature — Thrull card from The List (PLST), collector number C15-235. Current market price: $0.40, TCGplayer market prices via Scryfall.
Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) Whenever this creature attacks, you may return target artifact, creature, or enchantment card from your graveyard to your hand.