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

This card’s <When Attacking> effect reads, “Delete 1 of your opponent's Digimon with 4000 DP or less. If you don't...” What does “If you don't” refer to?
“If you don't” refers to a state such as in which, when resolving this Digimon’s <When Attacking> effect, your opponent doesn't have a Digimon with 4000 DP or less in play, or your opponent has a Digimon that can't be deleted with the effect. Essentially, if your opponent doesn't have a Digimon that can be deleted by “Delete 1 of your opponent’s Digimon with 4000 DP or less,” follow the instructions listed after “If you don't”.
Ruled Mar 28, 2024
My opponent has a Digimon with 4000 DP or less in play. Can I choose not to delete my opponent’s Digimon so that this Digimon gets +3000 DP?
No. If you activate this card’s <When Attacking> effect and your opponent has a Digimon with 4000 DP or less in play, you must choose that Digimon as the target of the effect. If a valid target exists, you must choose it.
Ruled Mar 28, 2024
My opponent has a Digimon with 4000 DP or less and an effect that reads, “This Digimon can't be deleted by your opponent’s effects,” and another Digimon with 4000 DP or less but no effect. Can I intentionally choose the Digimon with the effect preventing deletion to have this Digimon gain +3000 DP?
Yes. If you chose your opponent’s Digimon with 4000 DP or less as a target, it counts for this card’s effect, even if the chosen Digimon has an effect that prevents it from being deleted.
Ruled Mar 28, 2024
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