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

My opponent's suspended Digimon unsuspends during my unsuspend phase using <Reboot>. Does this card's <Start Your Turn> effect activate?
Yes, it does. <Start Your Turn> effects activate before your unsuspend phase.
Ruled Mar 28, 2024
I attack with a green level 5 Digimon, and use this card's <Your Turn> effect to reveal a green level 6 Digimon card. Do I have to digivolve into that card?
No. The effect reads, "you may," so you can choose not to digivolve.
Ruled Mar 28, 2024
This card's <Your Turn> effect revealed 2 or more green level 6 Digimon. Can I choose which card to digivolve into?
Yes, you get to choose which card to digivolve into.
Ruled Mar 28, 2024
I attack with a green level 5 Digimon, and use this card's <Your Turn> effect to digivolve it. Do I get to draw a bonus card from digivolving?
Yes, you do.
Ruled Mar 28, 2024
This card's <Your Turn> effect revealed a non-green level 6 Digimon card. Can I digivolve into that card?
No, you can't.
Ruled Mar 28, 2024
I have 2 copies of this Tamer in play, and attack with a green level 5 Digimon. Can I suspend both Tamers, reveal 6 cards from my deck, and choose a card to digivolve into from among them?
"You can choose to activate this card's effect twice off a single attack, but you can't activate both effects simultaneously. Instead, you activate each Tamer's effect one at a time. First, activate the first Tamer's effect, reveal 3 cards from your deck, and choose whether or not to digivolve the attacking Digimon. From there, you can decide whether or not to activate the second Tamer's effect. Furthermore, if you digivolve into a card revealed from the first Tamer's effect, the card revealed from the second Tamer's effect must be a green level 6 card that can digivolve from a level 6 Digimon. (i.e. [BT5-056]/[Rafflesimon])"
Ruled Mar 28, 2024
If I use this card's <Your Turn> effect to digivolve into a level 6 Digimon with a <When Digivolving> effect, when does that effect activate?
It activates immediately after you draw the bonus card for digivolving. Even if there are other <When Attacking> or "When one of your Digimon attacks" effects, the <When Digivolving> effect activates first as a newly triggered effect.
Ruled Mar 28, 2024
If I use this card's <Your Turn> effect to digivolve into a level 6 Digimon with a <When Attacking> effect, does that effect activate?
No. The window for activating <When Attacking> effects has already passed, so the effect doesn't activate.
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.