Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) by banishing 3 monsters with different Attributes from your GY and/or face-up from your field.
You can only use this card name’s (2) effect once per turn.
(1) Cannot be destroyed by card effects.
(2) You can declare 1 Attribute among Attributes of monsters on the field; destroy all monsters on the field with that declared Attribute, also neither player can Special Summ monsters with the declared Attribute until the end of the next turn.