Your search for "dark fusion led5-en021" revealed the following:
Dark Calling - LED5-EN022 - Common - 1st Edition from Legendary Duelists: Immortal Destiny 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Fusion Summon 1 Fusion Monster from your Extra Deck, that must be Special Summoned with "Dark...
Evil HERO Adusted Gold - LED5-EN013 - Ultra Rare - 1st Edition from Legendary Duelists: Immortal Destiny 1st Edition, available at 401 Games Canada. Rarity: Ultra Rare Card Text:You can discard this card; add 1 "Dark Fusion", or 1 card...
Dark Fusion - LED5-EN021 - Common - 1st Edition from Legendary Duelists: Immortal Destiny 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:Fusion Summon 1 Fiend Fusion Monster from your Extra Deck, using monsters from your hand or...
The Dark - Hex-Sealed Fusion - FET-EN028 - Common - 1st Edition from Flaming Eternity 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:You can substitute this card for any 1 Fusion-Material Monster. When you do this, the...
The Dark - Hex-Sealed Fusion - FET-EN028 - Common - Unlimited from Flaming Eternity Unlimited, available at 401 Games Canada. Rarity: Common Card Text:You can substitute this card for any 1 Fusion-Material Monster. When you do this, the other Fusion-Material...