What happens to cards placed face up in the security stack by effects?
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Official Ruling
They become face-up security cards that remain revealed. Other than rules that specify face-up security cards, the rules apply in the same manner as standard security cards.
What happens upon a security check for a security card that is placed face-up?
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Official Ruling
The check is performed with the card left revealed. Other than rules for cards left revealed, the rules apply in the same manner as standard security checks.
