EN Wave (POTE-EN053) - Power of the Elements Unlimited

If your "Elemental HERO" monster is used as material for a Fusion Summon, and sent to the GY or banished (except during the Damage Step): You can Special Summon 1 "Neo-Spacian" monster or 1 "Elemental HERO Neos" from your Deck. If a "Neo-Spacian" monster or "Elemental HERO Neos" you control or in your GY is shuffled into your Deck or Extra Deck (except during the Damage Step): You can Special Summon 1 "Elemental HERO" monster from your GY. You can only use each effect of "EN Wave" once per turn.