

Q1: Is the "while you have no face-up security cards" condition met when I have 0 cards in my security stack?
Yes, it's met.
Q2: Can I also activate this card's Main effect when I have 0 cards in my security stack?
Yes, you can. In such cases, you can't add a card from your security stack to your hand, therefore you only place this card in your security stack.
Q3: What happens to cards placed face up in the security stack by effects?
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.
Q4: What happens upon a security check for a security card that is placed face-up?
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 checks.
Q5: Does a card's Security effect trigger upon a security check with that card placed face-up?
Yes, it triggers.
Q6: What happens if I shuffle a security stack that includes security cards placed face-up?
Any face-up cards are placed face down, then you shuffle the cards. After shuffling, those cards are left face-down.
Factorial Area BT25-102 U
Iliad/TS
While you have no face-up security cards, you can ignore this card's color requirements.
{Security} [All Turns] All of your black or red [TS] trait Digimon gain <Blocker>. While you have [Vulcanusmon], they also gain <Link +1>.
[Main] Add your bottom security card to the hand and place this card face up as the bottom security card. Then, you may play 1 black or red [TS] trait Digimon card from your hand with the cost reduced by 3.
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[Security] You may play 1 level 4 or lower black or red [TS] trait Digimon card from your hand or trash without paying the cost.Factorial Area BT25-102 U
Iliad/TS
While you have no face-up security cards, you can ignore this card's color requirements.
{Security} [All Turns] All of your black or red [TS] trait Digimon gain <Blocker>. While you have [Vulcanusmon], they also gain <Link +1>.
[Main] Add your bottom security card to the hand and place this card face up as the bottom security card. Then, you may play 1 black or red [TS] trait Digimon card from your hand with the cost reduced by 3.
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[Security] You may play 1 level 4 or lower black or red [TS] trait Digimon card from your hand or trash without paying the cost.Factorial Area BT25-102 U Iliad/TS While you have no face-up security cards, you can ignore this card's color requirements. (Security) [All Turns] All of your black or red [TS] trait Digimon gain <Blocker> While you have [Vulcanusmon], they also gain <Link +1>. [Main] Add your bottom security card to the hand and place this card face up as the bottom security card. Then, you may play 1 black or red [TS] trait Digimon card from your hand with the play cost reduced by 3. --- [Security] You may play 1 level 4 or lower black or red [TS] trait Digimon card from your hand or trash without paying the cost.
ファクトリアル• エリア BT25-102 U
イリアス/TS
自分の表向きのセキュリティがない間、このカードは色条件を無視できる。
{セキュリティ}【お互いのターン】特徴「TS」を持つ黒/赤の自分のデジモン全ては≪ブロッカー≫を得る。自分の「ウルカヌスモン」がいる間、加えて≪リンク+1≫を得る。
【メイン】自分のセキュリティを下から1枚手札に加え、このカードをセキュリティの下に表向きで置く。その後、自分の手札から、特徴「TS」を持つ黒/赤のデジモンカード1枚を支払うコスト-3で登場できる。
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【セキュリティ】自分の手札/トラッシュから、特徴「TS」を持つ黒/赤のLv.4以下のデジモンカード1枚をコストを支払わず登場できる。