Rulings
Q1: Are the digivolution requirements to digivolve from tamers on this card treating the digivolution card tamer as a Digimon as well?
No, it digivolves directly from tamers.
Q2: If a Digimon evolves from a tamer under the digivolution requirements of this card, is it treated as if the Digimon is digivolving?
No, Digimon is not considered to digivolve. When a Digimon evolves from tamers under the digivolution requirements of this card, "When a Digimon evolves" is not triggered.
Q3: If a Digimon evolves from a tamer under the digivolution requirements of this card, is it treated as a digivolved Digimon?
No, Digimon is not considered to have digivolved. When a Digimon evolves from tamers under the digivolution requirements of this card, "When a Digimon evolves" is not triggered.
Data Sources
Lv.4 MetalKabuterimon BT18-067 R Hybrid | Variable | Cyborg [Digivolve] [J.P. Shibayama]: Cost 3/[Beetlemon]: Cost 1 <Blocker> [On Play] [When Digivolving] <De-Digivolve 1> 1 of your opponent's Digimon. --- Inherited: <Blocker> (This Digimon can block in the blocker timing.)
Lv.4 MetalKabuterimon BT18-067 R Hybrid | Variable | Cyborg [Digivolve] [J.P. Shibayama]: Cost 3/[Beetlemon]: Cost 1 <Blocker> [On Play] [When Digivolving] <De-Digivolve 1> 1 of your opponent's Digimon. --- Inherited: <Blocker> (This Digimon can block in the blocker timing.)
Lv.4 MetalKabuterimon BT18-067 R Hybrid | Variable | Cyborg [Digivolve] [J.P. Shibayama]: Cost 3/[Beetlemon]: Cost 1 <Blocker> [On Play] [When Digivolving] <De-Digivolve 1> 1 of your opponent's Digimon. --- Inherited: <Blocker> (At blocker timing, by suspending this Digimon, it becomes the attack target.)
Lv.4 ボルグモン BT18-067 R ハイブリッド体 | ヴァリアブル種 | サイボーグ型 「柴山純平」:コスト3/「ブリッツモン」: コスト1 ≪ブロッカー≫ 【登場時】【進化時】相手のデジモン1体を≪退化1≫。 --- Inherited: ≪ブロッカー≫（このデジモンはブロックタイミングでブロックできる）