
Delirium — This creature gets +1/+0 and has vigilance as long as there are four or more card types among cards in your graveyard.
Inquisitor's Ox has 2 printings, first in Shadows over Innistrad (2016). EDHREC ranks it #25,843 among Commander cards. It appears most in Bruse Tarl, Roving Rancher decks (551 on EDHREC). It has 5 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.