

Q1: If this card is checked from a security stack, does it battle with the attacking Digimon after its Security effect activates?
Yes, it battles after its Security effect activates.
Lv.5 Pumpkinmon BT26-030 C Ultimate | Data | Puppet/Iliad/TS [Security] You may play 1 [Angel] or [TS] trait card with a play cost of 4 or less from your hand or trash without paying the cost. [On Play] [When Digivolving] By trashing 1 card in your hand, 1 of your [Iliad] trait Digimon gains <Execute> and <Ascension> for the turn. (When this Digimon is deleted, you may place this card as the top security card.) --- ー
Lv.5 Pumpkinmon BT26-030 C Ultimate | Data | Puppet/Iliad/TS [Digivolve] Lv.4 w/[TS] trait: Cost 3 [Security] You may play 1 [Angel] or [TS] trait card with a play cost of 4 or less from your hand or trash without paying the cost. [On Play] [When Digivolving] By trashing 1 card in your hand, 1 of your [Iliad] trait Digimon gains <Execute> and <Ascension> for the turn. (When this Digimon is deleted, you may place this card as the top security card.) --- ー
Lv.5 Pumpkinmon BT26-030 C ultimate | Data | Puppet/Iliad/TS [Digivolve] Lv.4 w/[TS] trait: Cost 3 [On Play] [When Digivolving] By trashing 1 card in your hand, 1 of your [Iliad] trait Digimon gains <Execute> and <Ascension> for the turn. --- [Security] You may play 1 [Angel] or [TS] trait card with a play cost of 4 or less from your hand or trash without paying the cost.
Lv.5 パンプモン BT26-030 C 完全体 | データ種 | パペット型/イリアス/TS 【セキュリティ】自分の手札/トラッシュから、特徴「天使型」/「TS」を持つ登場コスト4以下のカード1枚をコストを支払わず登場できる。 【登場時】【進化時】自分の手札1枚を破棄することで、ターン終了まで、特徴「イリアス」を持つ自分のデジモン1体は≪エグゼキュート≫と≪天昇≫(このデジモンが消滅したとき、このカードをセキュリティの上に置ける)を得る。 --- ー