"I activated this card's ＜On Play＞＜When Digivolving＞ effect and all of my Digimon gained ＜Blocker＞ and can't be returned to hands or decks. If [Sparrowmon] is then trashed from this card's digivolution cards, what happens to the effects that my Digimon gained?"

The effect has already activated, so even without [Sparrowmon] in the digivolution cards, the effect will continue until the end of your opponent's turn.

JetMervamon rulings (BT12-084)

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

Effect: Armor Purge [On Play] [When Digivolving] You may place 1 Digimon card with the [Xros Heart] trait from your hand or from under one of your Tamers under this Digimon as its bottom digivolution card. Then, if this Digimon has [Sparrowmon] in its digivolution cards, until the end of your opponent's turn, all of your Digimon gain Blocker and can't be returned to hands or decks. [All Turns] [Once Per Turn] When one of your other Digimon is deleted, unsuspend this Digimon.

Official Q&A

"I activated this card's ＜On Play＞＜When Digivolving＞ effect and all of my Digimon gained ＜Blocker＞ and can't be returned to hands or decks. If [Sparrowmon] is then trashed from this card's digivolution cards, what happens to the effects that my Digimon gained?"
The effect has already activated, so even without [Sparrowmon] in the digivolution cards, the effect will continue until the end of your opponent's turn.
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.

JetMervamon rulings (BT12-084)

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

Effect: Armor Purge [On Play] [When Digivolving] You may place 1 Digimon card with the [Xros Heart] trait from your hand or from under one of your Tamers under this Digimon as its bottom digivolution card. Then, if this Digimon has [Sparrowmon] in its digivolution cards, until the end of your opponent's turn, all of your Digimon gain Blocker and can't be returned to hands or decks. [All Turns] [Once Per Turn] When one of your other Digimon is deleted, unsuspend this Digimon.

Official Q&A

"I activated this card's ＜On Play＞＜When Digivolving＞ effect and all of my Digimon gained ＜Blocker＞ and can't be returned to hands or decks. If [Sparrowmon] is then trashed from this card's digivolution cards, what happens to the effects that my Digimon gained?"
The effect has already activated, so even without [Sparrowmon] in the digivolution cards, the effect will continue until the end of your opponent's turn.
Ruled Mar 28, 2024

Got a line that uses JetMervamon? Map it in the builder and share it with a link.