Neo Space

Field Spell

"Elemental HERO Neos" and all Fusion Monsters that specifically list "Elemental HERO Neos" as a Fusion Material gain 500 ATK. Fusion Monsters that specifically list "Elemental HERO Neos" as a Fusion Material do not have to activate their effects during the End Phase that shuffle them into the Extra Deck.

Rulings – Yugipedia

Printings:

Power of the Duelist: POTD-EN046 (Rare) - 2006-08-16
Power of the Duelist: POTD-EN046 (Ultimate Rare) - 2006-08-16
Duelist Pack: Jaden Yuki 2: DP03-EN024 (Common) - 2007-02-07
Legendary Collection 2: The Duel Academy Years Mega Pack: LCGX-EN094 (Rare) - 2011-10-04
OTS Tournament Pack 8: OP08-EN021 (Common) - 2018-08-17
OTS Tournament Pack 8 (POR): OP08-PT021 (Common) - 2018-08-17

Prices:

Cardmarket: 0.41 €
TCGplayer: $ 0.33