Q1: If this card in the Battle Area is trashed during my opponent's turn, how long will the second effect of this card be given?
The second effect is activated, until the end of that opponent's turn.
Knight Device BT19-095 C Device While you don't have [Knight Device] in the battle area, you may ignore this card's color requirements. When this card is trashed from the battle area, 1 of your Digimon gains <Piercing> and gets +4000 DP for the turn. [Main] 1 of your Digimon gains <Piercing> and gets +4000 DP for the turn. Then, place this card in the battle area. --- [Security] Suspend 2 of your opponent's Digimon or Tamers. Then, add this card to the hand.
Knight Device BT19-095 C Device While you don't have [Knight Device], you may ignore this card's color requirements. When this card is trashed in your battle area, 1 of your Digimon gains <Piercing> and gets +4000 DP for the turn. [Main] 1 of your Digimon gains <Piercing> and gets +4000 DP for the turn. Then, place this card in the battle area. --- [Security] Suspend 2 of your opponent's Digimon or Tamers. Then, add this card to the hand.
ナイト• デヴァイス BT19-095 C デヴァイス 自分の「ナイト• デヴァイス」がバトルエリアにない間、このカードは色条件を無視できる。 このカードがバトルエリアから破棄されたとき、ターン終了まで、自分のデジモン1体は≪貫通≫を得て、DP+4000。 【メイン】ターン終了まで、自分のデジモン1体は≪貫通≫を得て、DP+4000。その後、このカードをバトルエリアに置く。 --- 【セキュリティ】相手のデジモン/テイマー2体をレストさせる。その後、このカードを手札に加える。