Corrupting Licid is a uncommon Creature — Licid card from Stronghold (STH), collector number 54. Current market price: $0.17, TCGplayer market prices via Scryfall.
{B}, {T}: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay {B} to end this effect. Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)