[Main] Trigger <De-Digivolve 1> on 1 of your opponent's Digimon. (Trash a card from the top of one of your opponent's Digimon. If it has no digivolution cards, or becomes a level 3 Digimon, you can't trash any more cards.) Then, if that Digimon's play cost is 4 or less, delete it.
Security Effect
[Security] Add this card to your hand.
Rulings Q&A — 2 entries
Q1Q1145
I use this card on one of my opponent's Digimon with a play cost of 5 or more, and <De-Digivolve 1> causes it to become a Digimon with a play cost of 4. Can I use this card's effect to delete that Digimon?
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Official Ruling
Yes, if <De-Digivolve 1> causes it to become a Digimon with a play cost of 4 or less, you can delete it.
Can I use this card to delete an opponent's Digimon with a play cost of 4 or less that doesn't have any digivolution cards, or on an opponent's level 3 Digimon?