Artwork variants
2 printings of EX12-027. They are the same card for deck building — any of them fills the slot.
TeslaJellymon
- Level
- Lv.4
- Play Cost
- 5
- DP
- 6,000
- Form
- Champion
- Attribute
- Data
- Traits
- Mollusk/DS
- Digivolves From
- Lv.3 · Blue/Yellow · digimon · Cost 3
- Set
- EX12
Effect
Digivolve [Jellymon]/Lv.3 w/[DS] trait: Cost 2
Main Once Per Turn You may play or use 1 card with [Jellymon] in its text or the [DS] trait from your hand with the cost reduced by 2.
Inherited Effect
When Attacking Once Per Turn Draw 1. Then, if your hand has 7 or more cards, trash 1 card in your hand.
Track this card
Record how many copies of EX12-027 you own and DigiFoundry shows which are in decks, which are up for trade and which are actually available.
Rulings for TeslaJellymon
Official clarifications published for this card.
What kind of card does "a card with X in its text" refer to?
It refers to a card that contains the specified text or icon in its name, traits, effects, inherited effects, ⟨Rule⟩, digivolve requirements, DNA Digivolve, DigiXros requirements, Burst Digivolve, App Fusion, Link, or Assembly requirements. For example, "a card with [Knightmon] in its text" would include cards with the name [DarkKnightmon] and cards with the text [Knightmon] in their effects.
19 June 2026
There are two copies of this card in the battle area. Can I activate both of their [Main] effects and play or use one specified card with its cost reduced by the combined amount from both effects?
No. You cannot activate multiple play or use effects simultaneously.
19 June 2026
If a Digimon with the effect "Players can't play Digimon by effects," such as [BT9-047 Pomumon], is in the battle area, can I activate this card's [Main] effect and play one specified card?
You can activate it, but the card can't be played.
19 June 2026
There are two copies of this card in the battle area. Can I activate both of their [Main] effects and play or use one specified card with its cost reduced by the combined amount from both effects?
No. You cannot activate multiple play or use effects simultaneously.
19 June 2026
If a Digimon with the effect "Players can't reduce play costs," such as [ST12-03 Solarmon], is in the battle area, can I activate this card's [Main] effect and play one specified card?
You can activate it and play the card, but the cost will not be reduced.
19 June 2026
What kind of card does "a card with X in its text" refer to?
It refers to a card that contains the specified text or icon in its name, traits, effects, inherited effects, ⟨Rule⟩, digivolve requirements, DNA Digivolve, DigiXros requirements, Burst Digivolve, App Fusion, Link, or Assembly requirements. For example, "a card with [Knightmon] in its text" would include cards with the name [DarkKnightmon] and cards with the text [Knightmon] in their effects.
19 June 2026
If a Digimon with the effect "Players can't play Digimon by effects," such as [BT9-047 Pomumon], is in the battle area, can I activate this card's [Main] effect and play one specified card?
You can activate it, but the card can't be played.
19 June 2026
If a Digimon with the effect "Players can't reduce play costs," such as [ST12-03 Solarmon], is in the battle area, can I activate this card's [Main] effect and play one specified card?
You can activate it and play the card, but the cost will not be reduced.
19 June 2026
