Effect
If this card is Summoned: Return all "Number" Xyz Monsters on the field to the Extra Deck. Neither player can Special Summon "Number" Xyz Monsters. Cannot be destroyed by battle with an Xyz Monster. This card is unaffected by the effects of Xyz Monsters.
The monster effect "①: If this card is Normal or Special Summoned, or flipped face-up: Activate this effect; return all 'Number' Xyz Monsters on the field to the owner's Extra Deck" is a Trigger Effect. (This effect does not target. It can also be activated during the Damage Step.)
The monster effect "②: While this card is in the Monster Zone, neither player can Special Summon 'Number' Xyz Monsters. Also, this card cannot be destroyed by battle with an Xyz Monster, and is unaffected by the effects of Xyz Monsters." is a Continuous Effect.
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