Thraben Foulbloods is a common Creature — Zombie Dog card from Eldritch Moon (EMN), collector number 108. Current market price: $0.06 (foil $0.99), TCGplayer market prices via Scryfall.
Delirium — This creature gets +1/+1 and has menace as long as there are four or more card types among cards in your graveyard. (A creature with menace can't be blocked except by two or more creatures.)