
Sacrifice a Swamp: Regenerate target black creature. (The next time that creature would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Horror of Horrors has 4 printings, first in Legends (1994). EDHREC ranks it #28,587 among Commander cards. It appears most in Sima Yi, Wei Field Marshal decks (7 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.