Mechanic
Protocol: digimonDe-Digivolve
Official Definition
An effect that removes the top card(s) of a Digimon stack, reverting it to a weaker form.
Technical Rulings
De-Digivolving removes the top card to the trash. If the stack has only one card, the Digimon is deleted.
Execution Examples
"De-Digivolving an Ultimate to its Champion form."