3 official rulings from Bandai, last ruled Mar 28, 2024. Straight answers to how this card actually resolves.

Can this card's <When Digivolving> effect unsuspend this Digimon even when my opponent has no Digimon?
Yes, it can.
Ruled Mar 28, 2024
When I have 2 copies of this Digimon, can I use this card's <End Your Turn> effect to attack using these 2 Digimon?
No, you can't. At the end of your turn, these cards' <End Your Turn> effects trigger at the same time, the activation order is decided, and then the attack occurs for the 1st Digimon. After activation of effects that are triggered upon attack declaration such as <When Attacking> effects and "when one of your Digimon attacks" effects but before the counter timing, the activation would next occur for the other <End Your Turn> effect that was pending activation, but because the 1st Digimon is still attacking, you can't make a new attack declaration, and the 2nd effect activation fails.
Ruled Mar 28, 2024
Can I use this card's <End Your Turn> effect to attack even when this Digimon is suspended?
No, you can't. This effect does not allow you to attack with Digimon that are in a state where they can't attack.
Ruled Mar 28, 2024
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Questions and answers are Bandai's official rulings, collected and translated by the DigimonCardGame Wiki community and reused here under CC BY-SA. Card names and card text are © their respective publishers; Combalo is not affiliated with Bandai.