Rulings
Q1: Does the condition of digivolvesdigivolution from the tamer of this card also treat the tamer as a digivolution card and digivolves as a digimon?
No, digivolution as it is from tamer.
Q2: If a digivolves from a tamer in the digivolution condition of this card, is the digimon treated as a digivolves?
No, Digimon is not considered as digivolves. When a tamer digivolves from a digivolution condition on this card, "When Digimon digivolves" does not trigger.
Q3: If the digivolved from tamer in the digivolution condition of this card, is the digimon treated as digivolved?
No, Digimon is not considered digivolved. The digivolution condition of this card does not trigger "when Digimon is digivolved" when digivolved from tamer.
Data Sources
A
Official English (Asia) Card Listen.digimoncard.com
Lv.4 Zephyrmon BT18-049 R Hybrid | Variable | Birdkin [Digivolve] [Zoe Orimoto]: Cost 3/[Kazemon]: Cost 1 <Piercing> (When this Digimon attacks and deletes an opponent's Digimon, it performs any security checks it normally would.) [On Play] [When Digivolving] 1 of your Digimon gets +3000 DP until the end of your opponent's turn. --- Inherited: <Piercing> (When this Digimon attacks and deletes your opponent's Digimon in battle, it checks security before the attack ends.)
W
DCG Wikidigimoncardgame.fandom.com
Lv.4 Zephyrmon BT18-049 R Hybrid | Variable | Birdkin [Digivolve] [Zoe Orimoto]: Cost 3/[Kazemon]: Cost 1 <Piercing> (When this Digimon attacks and deletes an opponent's Digimon, it performs any security checks it normally would.) [On Play] [When Digivolving] 1 of your Digimon gets +3000 DP until the end of your opponent's turn. --- Inherited: <Piercing> (When this Digimon attacks and deletes an opponent's Digimon, it performs any security checks it normally would.)
JP
Official Japanese Card Listdigimoncard.com
Lv.4 シューツモン BT18-049 R ハイブリッド体 | ヴァリアブル種 | 鳥人型 「織本泉」:コスト3/「フェアリモン」:コスト1 ≪貫通≫ 【登場時】【進化時】相手のターン終了まで、自分のデジモン1体をDP+3000。 --- Inherited: ≪貫通≫（このデジモンがアタックしたバトルで相手のデジモンを消滅させたとき、アタック終了前にチェックする）