

Q1: After I attack with this card and play a specified Digimon with its When Digivolving When Attacking effect, can I then suspend that Digimon with Alliance?
Yes, you can.
Lv.5 Bastemon EX13-042 R Ultimate | Virus | Beastkin <Alliance> [When Digivolving] [When Attacking] [Once Per Turn] You may play 1 play cost 4 or lower Digimon card with [Beast], [Animal] or [Sovereign], other than [Sea Animal], in any of its traits from your hand without paying the cost. --- <Alliance> (When this Digimon attacks, by suspending 1 of your other Digimon, this Digimon gains <Security A. +1> and the suspended Digimon's DP for the attack.)
Lv.5 Bastemon EX13-042 R Ultimate | Virus | Beastkin <Alliance> [When Digivolving] [When Attacking] [Once Per Turn] You may play 1 play cost 4 or lower Digimon card with [Beast], [Animal] or [Sovereign], other than [Sea Animal], in any of its traits from your hand without paying the cost. --- <Alliance> (When this Digimon attacks, by suspending 1 of your other Digimon, this Digimon gains <Security A. +1> and the suspended Digimon's DP for the attack.)
Lv.5 Bastemon EX13-042 R ultimate | Virus | Beastkin <Alliance> [When Digivolving] [When Attacking] [Once Per Turn] You may play 1 play cost 4 or lower Digimon card with [Beast], [Animal] or [Sovereign], other than [Sea Animal], in any of its traits from your hand without paying the cost. --- <Alliance>
Lv.5 バステモン EX13-042 R 完全体 | ウィルス種 | 獣人型 ≪連携≫ 【進化時】【アタック時】[ターン1回]自分の手札から、特徴に「獣」を含む登場コスト4以下のデジモンカード1枚をコストを支払わず登場できる。 --- ≪連携≫(このデジモンがアタックしたとき、他の自分のデジモン1体をレストさせることで、アタック終了まで、このデジモンにレストさせたデジモンのDPをプラスし、≪Sアタック+1≫を得る)