Fusion Monsters that list "Elemental Hero Neos" as a Fusion Material Monster do not have to have their effects activated that return them to the Fusion Deck during the End Phase
you can return it to the Deck to Special Summon 1 "Gladiator Beast" monster from your Deck
(The next time that creature would be destroyed this turn
knowing that what she saw
Set: Strike of Neos Card type: Fusion/Effect Monster Rarity: Ultimate 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
Oloro, Ageless Ascetic [Commander 2013] U-WTR163 Fusion Monsters that list "ElementalSet: Commander 2013 Type: Legendary Creature Giant Soldier Rarity: Mythic Cost: {3}{W}{U}{B} At the beginning of your upkeep, you gain 2 life. Whenever you gain life, you may pay {1}. If you do, draw a card and each opponent loses 1 life. At the beginning of your upkeep, if Oloro, Ageless Ascetic is in the command zone, you gain 2 life.