Q1: Can this card's On Play When Digivolving effect delete this Digimon itself?
Yes, it is possible.
Q2: Which Digimon can be deleted to trigger this card's On Deletion effect?
A "purple Digimon of your own lvl. 4 or lower" or a "red Digimon of your own lvl. 4 or lower".
Lv.5 Kimeramon BT19-070 U Ultimate | Data | Composite [Digivolve] Lv.4 w/[Composite] trait: Cost 3 [On Play] [When Digivolving] By deleting 1 of your Digimon, delete 1 of your opponent's level 3, 1 of their level 4 and 1 of their level 5 Digimon. [On Deletion] By deleting 1 of your level 4 or lower purple or red Digimon, you may play 1 [Machinedramon] from your trash without paying the cost. DigiXros -1: 3 Lv.4 [Composite] trait Digimon cards w/different card numbers --- Inherited: <Security A. +1> (This Digimon checks 1 additional security card.)
Lv.5 Kimeramon BT19-070 U Ultimate | Data | Composite [Digivolve] Lv.4 w/[Composite] trait: Cost 3 [On Play] [When Digivolving] By deleting 1 of your Digimon, delete 1 of your opponent's level 3, 1 of their level 4 and 1 of their level 5 Digimon. [On Deletion] By deleting 1 of your level 4 or lower purple or red Digimon, you may play 1 [Machinedramon] from your trash without paying the cost. DigiXros -1: 3 Lv.4 [Composite] trait Digimon cards w/different card numbers --- Inherited: <Security A. +1> (This Digimon checks 1 additional security card.)
Lv.5 Kimeramon BT19-070 U Ultimate | Data | Composite [Digivolve] Lv.4 w/[Composite] trait: Cost 3 [On Play] [When Digivolving] By deleting 1 of your Digimon, delete 1 of your opponent's level 3 Digimon, 1 of their level 4 Digimon, and 1 of their level 5 Digimon. [On Deletion] By deleting 1 of your level 4 or lower purple or red Digimon, you may play 1 [Machinedramon] from your trash without paying the cost. DigiXros -1: 3 Lv.4 [Composite] trait Digimon cards w/different card numbers --- Inherited: <Security A. +1>.
Lv.5 キメラモン BT19-070 U 完全体 | データ種 | 合成型 特徴に「合成型」を持つLv.4:コスト3 【登場時】【進化時】自分のデジモン1体を消滅させることで、Lv.3とLv.4とLv.5の相手のデジモン1体ずつを消滅させる。 【消滅時】紫/赤のLv.4以下の自分のデジモン1体を消滅させることで、自分のトラッシュから、「ムゲンドラモン」1枚をコストを支払わずに登場できる。 カードナンバーの異なる特徴に「合成型」を持つLv.4のデジモンカード3枚 --- Inherited: ≪Sアタック+1≫(このデジモンがチェックする枚数+1)