6 official rulings from Bandai, last ruled Apr 4, 2025. Straight answers to how this card actually resolves.

What does this card's <On Play> <When Digivolving> effect do, exactly?
You choose 1 of your Digimon for every 2 colors your Tamers have. The target Digimon aren't affected by your opponent's Digimon's effects until their turn ends.
Ruled Apr 4, 2025
What does "none of your [...] Digimon are affected by your opponent's Digimon's effects" mean, exactly?
This effect prevents Digimon from being affected by effects. For example, your Digmon won't suspend if it's chosen for a "suspend 1 of your opponent's Digimon" effect, and its DP won't be reduced by 3000 if it's chosen for a "1 of your opponent's Digimon gets -3000 DP."
Ruled Apr 4, 2025
Can a card that has an "isn't affected by [...] effects" effect be chosen for an effect?
Yes, it can be chosen. For example, a Digmon that isn't affected by effects can be chosen for a "suspend 1 of your opponent's Digimon" effect.
Ruled Apr 4, 2025
Can a card that has an "isn't affected by [...] effects" effect be given an effect?
Yes, it can. It won't be affected by it, but it can be given an effect. However, if an effect such as <Security Attack anti> is given to a Digimon that isn't affected by effects, the Digimon won't be considered to have that effect.
Ruled Apr 4, 2025
If a card is affected by an effect, then it later gains an "isn't affected by [...] effects" effect, what happens to the effect that was affecting it?
As soon as it gains the "isn't affected by [...] effects" effect, it will no longer be affected.
Ruled Apr 4, 2025
If a card has an "isn't affected by [...] effects" effect, it gains an effect, then it later loses the "isn't affected by [...] effects" effect, what happens to the effect that it gained?
It will be affected by the effect as soon as it can be affected by effects.
Ruled Apr 4, 2025
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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.