Your search for "Ultimate Fusion SDWD-EN021" revealed the following:
Ultimate Fusion - SDWD-EN021 - Common - 1st Edition from Structure Deck: Blue-Eyes White Destiny 1st Edition, available at 401 Games Canada. Rarity: Common Card Text:During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck that mentions...
Ultimate Fusion (Unlimited Misprint) - SDWD-EN021 - Common - Unlimited from Structure Deck: Blue-Eyes White Destiny Unlimited, available at 401 Games Canada. Rarity: Common Card Text:During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck that mentions...
Ultimate Fusion - SDWD-EN021 - Common - Unlimited from Structure Deck: Blue-Eyes White Destiny Unlimited, available at 401 Games Canada. Rarity: Common Card Text:During the Main Phase: Fusion Summon 1 Fusion Monster from your Extra Deck that mentions "Blue-Eyes White...