


Q1: If I don't delete 1 of my Digimon for this card's Main effect, can I activate the part of the effect after "then"?
No, you can't. If you don't perform the processing specified for "by" in such an effect, the rest of the effect won't activate.
Mist Barrier BT15-098 U [Main] By deleting 1 of your Digimon, you may play 1 [Myotismon] from your trash without paying the cost. Then, place this card in the battle area. [All Turns] When one of your [Myotismon] is deleted, <Delay> • You may play 1 [VenomMyotismon] from your trash without paying the cost. --- [Security] Place this card in the battle area.
Mist Barrier BT15-098 U [Main] By deleting 1 of your Digimon, you may play 1 [Myotismon] from your trash without paying the cost. Then, place this card in the battle area. [All Turns] When one of your [Myotismon] is deleted, <Delay> • You may play 1 [VenomMyotismon] from your trash without paying the cost. --- [Security] Place this card in the battle area.
Mist Barrier BT15-098 U [Main] By deleting 1 of your Digimon, you may play 1 [Myotismon] from your trash without paying the cost. Then, place this card in the battle area. [All Turns] When one of your [Myotismon] is deleted, <Delay> • You may play 1 [VenomMyotismon] from your trash without paying the cost. --- [Security] Place this card in the battle area.
霧の結界 BT15-098 U 【メイン】自分のデジモン1体を消滅させることで、自分のトラッシュから、「ヴァンデモン」1枚をコストを支払わずに登場できる。その後、このカードをバトルエリアに置く。 【お互いのターン】自分の「ヴァンデモン」が消滅したとき、≪ディレイ≫。 • 自分のトラッシュから、「ヴェノムヴァンデモン」1枚をコストを支払わずに登場できる。 --- 【セキュリティ】このカードをバトルエリアに置く。