Your search for "Swarm of Crows SHSP-EN042" revealed the following:
Swarm of Crows - SHSP-EN042 - Rare - 1st Edition from Shadow Specters 1st Edition, available at 401 Games Canada. Rarity: Rare Card Text:Cannot be Special Summoned from the Deck. Once per turn: You can change this card to face-down...
Swarm of Crows - SHSP-EN042 - Rare - Unlimited from Shadow Specters Unlimited, available at 401 Games Canada. Rarity: Rare Card Text:Cannot be Special Summoned from the Deck. Once per turn: You can change this card to face-down Defense Position....