Artwork variants
2 printings of EX12-041. They are the same card for deck building — any of them fills the slot.
Thundermon
- Level
- Lv.4
- Play Cost
- 5
- DP
- 6,000
- Form
- Champion
- Attribute
- Data
- Traits
- Mutant/ME
- Digivolves From
- Lv.3 · Black/Yellow · digimon · Cost 3
- Set
- EX12
Effect
Digivolve Lv.3 w/[ME] trait: Cost 2
Main Once Per Turn You may play or use 1 card with the [Mutant] or [ME] trait from your hand with the cost reduced by 2. Rule Name: Treated as including [Mamemon].
Inherited Effect
When Attacking Once Per Turn 1 of your opponent's Digimon gets -2000 DP for the turn.
Track this card
Record how many copies of EX12-041 you own and DigiFoundry shows which are in decks, which are up for trade and which are actually available.
Rulings for Thundermon
Official clarifications published for this card.
If I activate this card's [Main] effect while a Digimon such as BT9-047 [Pomumon] with a "players can't play Digimon by effects" effect is in the battle area, can I activate this card's [Main] effect and play 1 of the specified cards?
You can activate the effect, but you can't use it to play such a card.
19 June 2026
2 copies of this card are in the battle area. Can I activate the [Main] effect on both copies of this card and play or use 1 of the specified cards with the cost reduced by the total value?
No, you can't. You can't activate multiple effects that play or use a card at the same time.
19 June 2026
If I activate this card's [Main] effect while a Digimon such as BT9-047 [Pomumon] with a "players can't play Digimon by effects" effect is in the battle area, can I activate this card's [Main] effect and play 1 of the specified cards?
You can activate the effect, but you can't use it to play such a card.
19 June 2026
2 copies of this card are in the battle area. Can I activate the [Main] effect on both copies of this card and play or use 1 of the specified cards with the cost reduced by the total value?
No, you can't. You can't activate multiple effects that play or use a card at the same time.
19 June 2026
If I activate this card's [Main] effect while a Digimon such as ST12-03 [Solarmon] with a "players can't reduce play costs" effect is in the battle area, can I activate this card's [Main] effect and play 1 of the specified cards?
You can activate the effect and play such a card, but its cost won't be reduced.
19 June 2026
If I activate this card's [Main] effect while a Digimon such as ST12-03 [Solarmon] with a "players can't reduce play costs" effect is in the battle area, can I activate this card's [Main] effect and play 1 of the specified cards?
You can activate the effect and play such a card, but its cost won't be reduced.
19 June 2026
Public decks playing Thundermon
Open a deck to check it against your collection.
