
Umbris gets +1/+1 for each card your opponents own in exile.
Whenever Umbris or another Nightmare or Horror you control enters, target opponent exiles cards from the top of their library until they exile a land card.
Umbris, Fear Manifest has 4 printings, first in Crimson Vow Commander (2021). EDHREC ranks it #7,518 among Commander cards. It appears most in Captain N'ghathrod decks (4,126 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.