



Q1: Can I trash just 1 face-down card from under a Tamer for the conditions of this card's On Play When Digivolving When Attacking effect?
No, you can't. A "by" condition can't be met if only some of the required actions are performed. The conditions for this On Play When Digivolving effect require you to trash the specified number of cards under your Tamer.
Q2: Can I trash a total of 2 face-down cards from under multiple Tamers for the conditions of this card's On Play When Digivolving When Attacking effect?
Yes, you can.
Lv.5 Lilamon ST24-10 U Ultimate | Data | Fairy/DATA SQUAD [On Play] [When Digivolving] [When Attacking] [Once Per Turn] Suspend 1 of your opponent's Digimon or Tamers. It can't unsuspend until their turn ends. Then, by trashing 2 bottom face-down cards from under any of your Tamers, this Digimon may digivolve into a [DATA SQUAD] trait Digimon card in the hand without paying the cost. --- [All Turns] [Once Per Turn] When this Digimon with [Rosemon] in its name or the [DATA SQUAD] trait would leave the battle area, by trashing the bottom face-down card from under any of your Tamers, it doesn't leave.
Lv.5 Lilamon ST24-10 U Ultimate | Data | Fairy/DATA SQUAD [Digivolve] Lv.4 w/[DATA SQUAD] trait: Cost 3 [On Play] [When Digivolving] [When Attacking] [Once Per Turn] Suspend 1 of your opponent's Digimon or Tamers. It can't unsuspend until their turn ends. Then, by trashing 2 bottom face-down cards from under any of your Tamers, this Digimon may digivolve into a [DATA SQUAD] trait Digimon card in the hand without paying the cost. --- [All Turns] [Once Per Turn] When this Digimon with [Rosemon] in its name or the [DATA SQUAD] trait would leave the battle area, by trashing the bottom face-down card from under any of your Tamers, it doesn't leave.
Lv.5 Lilamon ST24-10 U ultimate | Data | Fairy/DATA SQUAD [Digivolve] Lv.4 w/[DATA SQUAD] trait: Cost 3 [On Play] [When Digivolving] [When Attacking] [Once Per Turn] Suspend 1 of your opponent's Digimon or Tamers. It can't unsuspend until their turn ends. Then, by trashing 2 bottom face-down cards from under any of your Tamers, this Digimon may digivolve into a [DATA SQUAD] trait Digimon card in the hand without paying the cost. --- [All Turns] [Once Per Turn] When this Digimon with [Rosemon] in its name or the [DATA SQUAD] trait would leave the battle area, by trashing the bottom face-down card from under any of your Tamers, it doesn't leave.
Lv.5 ライラモン ST24-10 U 完全体 | データ種 | 妖精型/セイバーズ 【登場時】【進化時】【アタック時】[ターン1回]相手のデジモン/テイマー1体をレストさせる。相手のターン終了まで、そのデジモン/テイマーはアクティブにならない。その後、自分のテイマーの下にある裏向きのカードを下から2枚破棄することで、このデジモンを手札の特徴「セイバーズ」を持つデジモンカードにコストを支払わず進化できる。 --- 【お互いのターン】[ターン1回]名称に「ロゼモン」を含むか特徴「セイバーズ」を持つこのデジモンがバトルエリアを離れるとき、自分のテイマーの下にある裏向きのカードを下から1枚破棄することで、離れない。