Insatiable Avarice is a rare Sorcery card from Outlaws of Thunder Junction Promos (POTJ), collector number 91p. Current market price: $5.43 (foil $6.33), TCGplayer market prices via Scryfall.
Spree (Choose one or more additional costs.) + {2} — Search your library for a card, then shuffle and put that card on top. + {B}{B} — Target player draws three cards and loses 3 life.