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

Can I use this card's <All Turns> effect to unsuspend this Digimon if it was suspended by an <Evade> effect that was gained from an inherited effect?
Yes, you can.
Ruled Mar 28, 2024
Which player chooses the Digimon that attacks by this card's <Start Opp Main> effect?
Your opponent chooses.
Ruled Mar 28, 2024
At what timing does my opponent choose the Digimon that attacks by this card's <Start Opp Main> effect?
Immediately after this effect activates and you suspend 1 of your Digimon with [Dramon]/[Examon] by this card's effect.
Ruled Mar 28, 2024
Can my opponent choose my Digimon with a "can't attack" effect as the target when they activate this card's <Start Opp Main> effect?
Yes, they can. In such cases, the attack isn't performed and the effect ends due to the "can't attack" effect.
Ruled Mar 28, 2024
Can I activate this card's <Start Opp Main> effect even if there are no Digimon in my opponent's battle area?
Yes, you can. In such cases, there are no target Digimon, therefore the effect ends without an attack being performed.
Ruled Mar 28, 2024
I used this card's <Start Opp Main> to suspend my [EX3-044]/[Breakdramon] or [EX3-074]/[Examon] and had my opponent attack. At such times, how do I process effects such as "when this Digimon is suspended" effects on these Digimon and <When Attacking> effects on the attacking Digimon?
When this Digimon is suspended effects and the <When Attacking> effect are triggered by a single effect, therefore they are considered to trigger simultaneously. According to the simultaneous trigger rules, first the turn player's <When Attacking> effects will activate, then the non-turn player's "when this Digimon is suspended" effects will activate.
Ruled Mar 28, 2024
When I have 2 of this card, can I activate the <Start Opp Main> effect on both and have 2 of my opponent's Digimon attack?
No, you can't. You can activate the effect itself twice, but after the attack declaration is made and effects such as <When Attacking> effects have activated for your opponent's 1st Digimon, the 2nd card's effect activation timing will occur before the counter timing. However, since the 1st Digimon is already attacking, its attack will continue and an attack declaration can't be made for the 2nd card.
Ruled Mar 28, 2024
My opponent used this card's <Start Opp Main> to suspend their [EX3-074]/[Examon]. [EX3-074]/[Examon]'s effect reads "when this Digimon becomes suspended, unsuspend it, and suspend 1 of your opponent's Digimon." Can I attack my opponent's [EX3-074]/[Examon] before that effect unsuspends it?
Yes, you can. The attack declaration is made for this card's <Start Opp Main> effect before the suspended [EX3-074]/[Examon]'s effect, therefore [EX3-074]/[Examon] is still suspended at that time and can be an attack target.
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.