
{T}: Add {C}.
{B}, {T}: Put target Zombie card from your graveyard on top of your library.
Unholy Grotto has 4 printings, first in Onslaught (2002). EDHREC ranks it #2,845 among Commander cards. It appears most in Temmet, Naktamun's Will decks (12,529 on EDHREC). 1 public deck on TCG runs it.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.