Rulings
Q1: Can I use this card's On Play When Digivolving effect to suspend either my Digimon or my opponent's Digimon?
Yes, you can suspend either player's Digimon.
Data Sources
EN
Official English Card Listworld.digimoncard.com
Lv.4 Kabuterimon EX8-040 C Champion | Vaccine | Insectoid/NSp [Digivolve] Lv.3 w/[NSp] trait: Cost 2 [On Play] [When Digivolving] You may suspend 1 Digimon. --- Inherited: [Your Turn] This Digimon gets +2000 DP.
A
Official English (Asia) Card Listen.digimoncard.com
Lv.4 Kabuterimon EX8-040 C Champion | Vaccine | Insectoid/NSp [Digivolve] Lv.3 w/[NSp] trait: Cost 2 [On Play] [When Digivolving] You may suspend 1 Digimon. --- Inherited: [Your Turn] This Digimon gets +2000 DP.
W
DCG Wikidigimoncardgame.fandom.com
Lv.4 Kabuterimon EX8-040 C Champion | Vaccine | Insectoid/NSp [Digivolve] Lv.3 w/[NSp] trait: Cost 2 [On Play] [When Digivolving] You may suspend 1 Digimon. --- Inherited: [Your Turn] This Digimon gets +2000 DP.
JP
Official Japanese Card Listdigimoncard.com
Lv.4 カブテリモン EX8-040 C 成熟期 | ワクチン種 | 昆虫型/NSp 特徴に「NSp」を持つLv.3:コスト2 【登場時】【進化時】デジモン1体をレストできる。 --- Inherited: 【自分のターン】このデジモンをDP+2000。