Neos Wiseman

This card cannot be Normal Summoned or Set. This card cannot be Special Summoned except by sending 1 face-up "Elemental Hero Neos" and 1 face-up "Yubel" you control to the Graveyard. This card cannot be destroyed by card effects. If this card battles an opponent's monster, at the end of the damage step, inflict damage to your opponent equal to the ATK of the monster it battled, and gain Life Points equal to that monster's DEF.