Q1: If the Security effect, the "when security is checked" effect, and the "when security is reduced" effect are triggered simultaneously, in which order do they activate?
Security] effects are activated first. Security] effects, if checked, will be activated immediately without pending activation. Other triggered effects are activated from the turn player's side.
Emperor Dragon of Calamity BT20-094 C [Main] You may play 1 [Free] trait Digimon card from your trash with the play cost reduced by 5. Then, place this card in the battle area. [All Turns] When your opponent's security stack is removed from, <Delay> • You may play 1 [Imperialdramon: Dragon Mode] from any of your [Imperialdramon: Fighter Mode]'s digivolution cards without paying the cost. --- [Security] You may play 1 level 3 Digimon card with the [Free] trait from your hand or trash without paying the cost. Then, add this card to the hand.
Emperor Dragon of Calamity BT20-094 C [Main] You may play 1 [Free] trait Digimon card from your trash with the play cost reduced by 5. Then, place this card in the battle area. [All Turns] When your opponent's security stack is removed from, <Delay> • You may play 1 [Imperialdramon: Dragon Mode] from any of your [Imperialdramon: Fighter Mode]'s digivolution cards without paying the cost. ---
災禍の皇帝竜 BT20-094 C 【メイン】自分のトラッシュから、特徴に「フリー」を持つデジモンカード1枚を支払う登場コスト-5で登場できる。その後、このカードをバトルエリアに置く。 【お互いのターン】相手のセキュリティが減ったとき、≪ディレイ≫。 • 自分の「インペリアルドラモン:ファイターモード」の進化元から、「インペリアルドラモン:ドラゴンモード」1枚をコストを支払わずに登場できる。 --- 【セキュリティ】自分の手札/トラッシュから、特徴に「フリー」を持つLv.3のデジモンカード1枚をコストを支払わずに登場できる。その後、このカードを手札に加える。