Effect
Cannot be Normal Summoned, unless you control a "Ghostrick" monster. Once per turn: You can change this card to face-down Defense Position. When this card is flipped face-up: Banish cards from the top of your opponent's Deck face-down, up to the number of "Ghostrick" monsters you control. You can only use this effect of "Ghostrick Skeleton" once per turn.
"Ghostrick Skeleton" can only be Normal Summoned in face-up Attack Position if you control a face-up "Ghostrick" monster.
The monster effect "Once per turn, you can change this card to face-down Defense Position" is an Ignition Effect. (It does not target.)
The monster effect "When this card is flipped face-up: You can banish cards from the top of your opponent's Deck, face-down, up to the number of "Ghostrick" monsters you control" is a Trigger Effect. (It does not target. It can be activated during the Damage Step.)
Only the original owner of the cards banished face-down can look at them. (The opponent cannot look at them.)
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