Your search for "Neo Space OP08-EN021" revealed the following:
Neo Space - OP08-EN021 - Common - Unlimited from OTS Tournament Pack 8, available at 401 Games Canada. Rarity: Common Card Text:"Elemental HERO Neos" and all Fusion Monsters that specifically list "Elemental HERO Neos" as a Fusion Material gain 500...
Instant Neo Space - OP09-EN020 - Common - Unlimited from OTS Tournament Pack 9, available at 401 Games Canada. Rarity: Common Card Text:Equip only to a Fusion Monster that lists " Elemental HERO Neos " as material. It does not...