Corpse Cur is a common Artifact Creature — Phyrexian Dog card from Scars of Mirrodin (SOM), collector number 147. Current market price: $0.23 (foil $2.47), TCGplayer market prices via Scryfall.
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) When this creature enters, you may return target creature card with infect from your graveyard to your hand.