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Artwork variants

5 printings of BT4-090. They are the same card for deck building — any of them fills the slot.

BT4-090 R
BT4-090_P1 R
BT4-090_P2 R
BT4-090_P3 R
BT4-090_P4 R

Chaosmon

BT4-090 Digimon White R
Level
Lv.7
Play Cost
15
DP
14,000
Form
Mega
Attribute
Vaccine
Traits
Unique
Digivolves From
Lv.6 · Green · digimon · Cost 6
Lv.6 · Black · digimon · Cost 6
Set
BT4

Effect

Piercing (When this Digimon attacks and deletes an opponent's Digimon and survives the battle, it performs any security checks it normally would.)

When Digivolving Unsuspend this Digimon. Then, it can attack your opponent's Digimon. This effect allows you to attack unsuspended Digimon as well.

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Printed In

  • GREAT LEGEND [BT-04] Jun 2021
  • Large-Scale Tournaments
See the full BT4 card list

Rulings for Chaosmon

Official clarifications published for this card.

I pay memory to digivolve into this Digimon. Can I use this card's [When Digivolving] effect to attack even though my memory gauge is now at 1 or greater on my opponent's side?

Yes, you can. It doesn't become your opponent's turn until the attack ends or you declare that you're not making an attack.

28 March 2024

Can I attack my opponent's unsuspended Digimon with this card when not attacking through its [When Digivolving] effect?

No, you can't.

28 March 2024

I pay memory to digivolve into this Digimon. Can I use this card's [When Digivolving] effect to attack even though my memory gauge is now at 1 or greater on my opponent's side?

Yes, you can. It doesn't become your opponent's turn until the attack ends or you declare that you're not making an attack.

28 March 2024

Can I attack my opponent's unsuspended Digimon with this card when not attacking through its [When Digivolving] effect?

No, you can't.

28 March 2024

I play a Digimon, then digivolve into this card on the same turn. Can I attack with it?

No, this effect doesn't ignore the ironclad rule that Digimon can't attack the turn they came into play, so you can't attack.

28 March 2024

I play a Digimon, then digivolve into this card on the same turn. Can I attack with it?

No, this effect doesn't ignore the ironclad rule that Digimon can't attack the turn they came into play, so you can't attack.

28 March 2024

If I have other effects that activate on digivolution, can I attack before activating those effects after digivolving into this card?

No. You can activate this card's [When Digivolving] effect first and announce your attack, but you must activate all other effects before making the attack itself.

28 March 2024

I play a Digimon, then digivolve into this card on the same turn. Can I attack with it?

No, this effect doesn't ignore the ironclad rule that Digimon can't attack the turn they came into play, so you can't attack.

28 March 2024

Can I attack my opponent's unsuspended Digimon with this card when not attacking through its [When Digivolving] effect?

No, you can't.

28 March 2024

I play a Digimon, then digivolve into this card on the same turn. Can I attack with it?

No, this effect doesn't ignore the ironclad rule that Digimon can't attack the turn they came into play, so you can't attack.

28 March 2024

Can I attack my opponent's unsuspended Digimon with this card when not attacking through its [When Digivolving] effect?

No, you can't.

28 March 2024

I pay memory to digivolve into this Digimon. Can I use this card's [When Digivolving] effect to attack even though my memory gauge is now at 1 or greater on my opponent's side?

Yes, you can. It doesn't become your opponent's turn until the attack ends or you declare that you're not making an attack.

28 March 2024

I play a Digimon, then digivolve into this card on the same turn. Can I attack with it?

No, this effect doesn't ignore the ironclad rule that Digimon can't attack the turn they came into play, so you can't attack.

28 March 2024

I pay memory to digivolve into this Digimon. Can I use this card's [When Digivolving] effect to attack even though my memory gauge is now at 1 or greater on my opponent's side?

Yes, you can. It doesn't become your opponent's turn until the attack ends or you declare that you're not making an attack.

28 March 2024

If I have other effects that activate on digivolution, can I attack before activating those effects after digivolving into this card?

No. You can activate this card's [When Digivolving] effect first and announce your attack, but you must activate all other effects before making the attack itself.

28 March 2024

Can I attack my opponent's unsuspended Digimon with this card when not attacking through its [When Digivolving] effect?

No, you can't.

28 March 2024

If I have other effects that activate on digivolution, can I attack before activating those effects after digivolving into this card?

No. You can activate this card's [When Digivolving] effect first and announce your attack, but you must activate all other effects before making the attack itself.

28 March 2024

If I have other effects that activate on digivolution, can I attack before activating those effects after digivolving into this card?

No. You can activate this card's [When Digivolving] effect first and announce your attack, but you must activate all other effects before making the attack itself.

28 March 2024

If I have other effects that activate on digivolution, can I attack before activating those effects after digivolving into this card?

No. You can activate this card's [When Digivolving] effect first and announce your attack, but you must activate all other effects before making the attack itself.

28 March 2024

I pay memory to digivolve into this Digimon. Can I use this card's [When Digivolving] effect to attack even though my memory gauge is now at 1 or greater on my opponent's side?

Yes, you can. It doesn't become your opponent's turn until the attack ends or you declare that you're not making an attack.

28 March 2024

More from BT4

Full set list
Chaosmon BT4-090