Your search for "Dark Magic Curtain LEDD-ENA14" revealed the following:
Dark Magic Curtain - LEDD-ENA14 - Common - 1st Edition from Legendary Dragon Decks 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Pay half your LP; Special Summon 1 "Dark Magician" from your Deck. You cannot Summon other...
Dark Magic Curtain - YGLD-ENB18 - Common - Unlimited from Yugi's Legendary Decks Unlimited, available at 401 Games Canada. Rarity: Common Card Text:Pay half your Life Points; Special Summon 1 "Dark Magician" from your Deck. You cannot Summon other monsters...