Chaosmon: Valdur Arm
- Card Number
- BT20-037
- Rarity
- SR
- Category
- Digimon
- Level
- 7
- Block Icon
- 04
- Supplemental Rarity
- ★
- Alternative Art #1
- Colour
- Yellow Green
- Play Cost
- 15
- DP
- 15000
- Form
- Mega
- Attribute
- Vaccine
- Type
- Unique
- Digivolution Requirements
- Digivolve Cost
- 5
- Colour
- Yellow Green
- Level
- 6
- Category
- Digimon
- Effect
DNA DigivolveYellowLv.6 +Green/BlackLv.6: Cost 0
Security A.+1 Partition (YellowLv.6 &Green/BlackLv.6) (When this Digimon with each of the specified digivolution cards would leave the battle area other than by your effects or a battle, you may play 1 each of the specified cards without paying the costs.)
When Digivolving For each of this Digimon's level 6 digivolution cards, suspend 1 of your opponent's Digimon or Tamers and gain 1 memory. Then, none of their Digimon or Tamers can activate On Play effects or unsuspend until the end of their turn.
- Restrictions
- Date
- Limitation Type
- Banned Pair
- Card Allowance
- 0
- Paired Cards
- P-097
- BT13-102
- ST16-14
- Note
In accordance with the ban for EX5-065 [Sayo & Koh], the previous banned pairs have been lifted.
- Q&A
- Date
- Question
If this card has 2 level 6 digivolution cards, can I use this card's [When Digivolving] effect to suspend 2 of my opponent's Digimon or Tamers and gain 2 memory?
- Answer
Yes, for each of this Digimon's level 6 digivolution cards, you suspend 1 of your opponent's Digimon or Tamers and gain 1 memory.
- Date
- Question
What does "none of your opponent's Digimon can activate [On Play] effects" mean, exactly?
- Answer
This effect prevents [On Play] effects on cards from activating.
Triggered [On Play] effects can no longer activate when a card is played or when effects such as "activate that card's [On Play]" effect" activate.
- Date
- Question
I used a card affected by "none of your opponent's Digimon can activate [On Play] effects" to attack.
Can I activate that card's [On Play] [When Attacking] effect at such times?
- Answer
Yes, you can.
The effect can activate if it's triggered upon the [When Attacking] timing.
- Date
- Question
If a card is affected by "none of your opponent's Digimon can activate [On Play] effects," can it activate its own [On Play] effect using an effect such as "activate 1 of that card's [On Play] effects"?
- Answer
No, it can't be activated.
- Date
- Question
If a card is affected by "none of your opponent's Digimon can activate [On Play] effects," can another card's [On Play] effect be activated using an effect such as "activate 1 of that card's [On Play] effects as an effect of this card"?
- Answer
No, it can't be activated.
- Date
- Question
Can I use "activate 1 of that card's [On Play] effects as an effect of this card" on a card that isn't affected by "none of your opponent's Digimon can activate [On Play] effects" to activate the [On Play] effect on another card that's affected by "none of your opponent's Digimon can activate [On Play] effects"?
- Answer
Yes, you can.
- Date
- Question
If a card is affected by "none of your opponent's Digimon can activate [On Play] effects," can I perform just the "by doing X" condition in its [On Play] effect?
- Answer
No, you can't.
- Date
- Question
A card digivolved into a card that has an [On Play] [When Attacking] [Once Per Turn] effect while "none of your opponent's Digimon can activate [On Play] effects" was activated.
Does that count as an instance of that effect's [X Per Turn] even if that effect can't be activated upon the timing when that card is played?
- Answer
No, it doesn't count.
The effect can't activate upon the [On Play] timing, therefore it doesn't count as an instance of that effect's [X Per Turn].
- Date
- Question
Does this card's [When Digivolving] effect prevent both my opponent's Digimon and Tamers from activating [On Play] effects or unsuspending until the end of their turn?Jun. 25, 2025 Updated
- Answer
That's correct, both your opponent's Digimon and Tamers are prevented from activating [On Play] effects or unsuspending.
- Releases

- Genre
- Booster Pack
- Release Name
- Ver.2.5 [BT19-20]
- Official Product Page
- Date
- Notes
- Special Booster Ver.2.5 [BT19-20]






