Putrid Imp is a common Creature — Zombie Imp card from Premium Deck Series: Graveborn (PD3), collector number 1. Current market price: — (foil $2.85), TCGplayer market prices via Scryfall.
Discard a card: This creature gains flying until end of turn. Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+1 and can't block.