Elemental Hero Air Neos [STON-EN034] Ultra Rare Dragon Ally You can only activate 1

You can only activate 1 "Mayhem Fur Hire" per turn

and destroy all monsters with 1500 or less ATK

Deal 2 arcane damage to target hero

This effect cannot activate if multiple cards/effects with the same name were activated in that Chain

if you have a [Diaboromon] in play

Elemental Hero Air Neos [STON-EN034] Ultra Rare Dragon Ally You can only activate 1Set: Strike of Neos Card type: Fusion Effect Monster Rarity: Ultra Rare Attack: 2500 Defense: 2000 "Elemental Hero Neos" + "Neo Spacian Air Hummingbird" This card can only be Special Summoned from your Fusion Deck by returning the above cards you control to the Deck. (You do not use "Polymerization".) While your Life Points are lower than your opponent's, this card gains ATK equal to the difference. This card returns to the Fusion Deck during the End