
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.)
Thraben Foulbloods has 3 printings, first in Eldritch Moon (2016). EDHREC ranks it #28,948 among Commander cards. It appears most in Kunoros, Hound of Athreos decks (36 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.