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

Which player decides which cards are trashed from hand by this card’s <When Digivolving> effect?
Both players decide which cards to trash from their own hands.
Ruled Mar 28, 2024
Does this card’s <When Digivolving> effect activate before or after drawing the digivolution bonus card?
It activates after you draw. <When Digivolving> effects trigger after a player finishes drawing the digivolution bonus card.
Ruled Mar 28, 2024
How does this card’s <When Digivolving> effect work when I have 5 or fewer cards in hand?
If you have 5 or fewer cards in hand, you don't trash any cards.
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.