Cannot be Normal Summoned/Set. Must be Special Summoned (from your hand) by banishing 5 "Metaphys" cards with different names from your GY and/or face-up from your field. While this card is face-up on the field, it cannot be destroyed card effects, also it cannot be banished. Once per turn, if your opponent controls more cards than you do: You can target 1 of your banished "Metaphys" monsters; Special Summon it, but banish it during the End Phase of next turn.