Artwork variants
3 printings of EX9-021. They are the same card for deck building — any of them fills the slot.
Omnimon Alter-S
- Level
- Lv.7
- Play Cost
- 15
- DP
- 15,000
- Form
- Mega
- Attribute
- Virus
- Traits
- Holy Warrior/DM/Ver.1/Ver.2
- Digivolves From
- Lv.6 · Blue/Red · digimon · Cost 5
- Set
- EX9
Effect
Digivolve Lv.6 w/[DM] trait: Cost 5
DNA Digivolve Blue Lv.6 + red Lv.6: Cost 0 Digivolve unsuspended with the 2 specified Digimon stacked on top of each other.
When Digivolving If DNA digivolving, your opponent's effects don't affect this Digimon for the turn. Then, delete all of their Digimon with the highest level.
End of Attack You may play 1 card with [Greymon] in its name or the [Ver.1] trait and 1 card with [Garurumon] in its name or the [Ver.2] trait from this Digimon's digivolution cards without paying the costs. If this effect played, place this Digimon as your top security card.
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Record how many copies of EX9-021 you own and DigiFoundry shows which are in decks, which are up for trade and which are actually available.
Rulings for Omnimon Alter-S
Official clarifications published for this card.
At the end of an attack by this card that has 1 card with [Greymon] in its name and 1 card with [Garurumon] in its name in its digivolution cards, can I activate this card's [End of Attack] effect and play just the card with [Greymon] in its name from this Digimon's digivolution cards?Mar. 13, 2026 Updated
No, you can't. If this card's [End of Attack] effect activates, you must play the specified cards whenever possible.
13 June 2025
What does "none of your [...] Digimon are affected by your opponent's Digimon's effects" mean, exactly?
This effect prevents Digimon from being affected by effects. For example, your Digimon won't suspend if it's chosen for a "suspend 1 of your opponent's Digimon" effect, and its DP won't be reduced by 3000 if it's chosen for a "1 of your opponent's Digimon gets -3000 DP."
13 June 2025
Can I process the part of the effect after "then" in this card's [When Digivolving] effect even if the "if" condition in the 1st process isn't met?
Yes, you can process it. Even if this Digimon didn't DNA digivolve, this card's [When Digivolving] effect deletes all of your opponent's Digimon with the highest level.
13 June 2025
If a card is affected by an effect, then it later gains an "isn't affected by [...] effects" effect, what happens to the effect that was affecting it?
As soon as it gains the "isn't affected by [...] effects" effect, it will no longer be affected.
13 June 2025
What combinations of digivolution cards can be played by this card's [End of Attack] effect?
The following combinations are possible. ●1 card with [Greymon] in its name and 1 card with [Garurumon] in its name ●1 card with [Greymon] in its name and 1 card with the [Ver.2] trait ●1 card with the [Ver.1] trait and 1 card with [Garurumon] in its name ●1 card with the [Ver.1] trait and 1 card with the [Ver.2] trait
13 June 2025
At the end of an attack by this card that has just 1 card with [Greymon] in its name in its digivolution cards, can I activate this card's [End of Attack] effect and play just the card with [Greymon] in its name from this Digimon's digivolution cards?
Yes, just that card can be played.
13 June 2025
Can a card that has an "isn't affected by [...] effects" effect be chosen for an effect?
Yes, it can be chosen. For example, a Digimon that isn't affected by effects can be chosen for a "suspend 1 of your opponent's Digimon" effect.
13 June 2025
If a card has an "isn't affected by [...] effects" effect, it gains an effect, then it later loses the "isn't affected by [...] effects" effect, what happens to the effect that it gained?
It will be affected by the effect as soon as it can be affected by effects.
13 June 2025
A card that has an "isn't affected by [...] effects" effect was given an effect that triggers at a timing such as [When Attacking]. Will the effect trigger if that card later meets the trigger conditions?
If the Digimon isn't affected by effects upon the trigger timing, the effect won't trigger.
13 June 2025
Can a card that has an "isn't affected by [...] effects" effect be given an effect?
Yes, it can. It won't be affected by it, but it can be given an effect. However, if an effect such as <Security A.> is given to a Digimon that isn't affected by effects, the Digimon won't be considered to have that effect.
13 June 2025
Can a card that has an "isn't affected by [...] effects" effect be given an effect?
Yes, it can. It won't be affected by it, but it can be given an effect. However, if an effect such as <Security A.> is given to a Digimon that isn't affected by effects, the Digimon won't be considered to have that effect.
13 June 2025
What does "none of your [...] Digimon are affected by your opponent's Digimon's effects" mean, exactly?
This effect prevents Digimon from being affected by effects. For example, your Digimon won't suspend if it's chosen for a "suspend 1 of your opponent's Digimon" effect, and its DP won't be reduced by 3000 if it's chosen for a "1 of your opponent's Digimon gets -3000 DP."
13 June 2025
Can I process the part of the effect after "then" in this card's [When Digivolving] effect even if the "if" condition in the 1st process isn't met?
Yes, you can process it. Even if this Digimon didn't DNA digivolve, this card's [When Digivolving] effect deletes all of your opponent's Digimon with the highest level.
13 June 2025
What does "none of your [...] Digimon are affected by your opponent's Digimon's effects" mean, exactly?
This effect prevents Digimon from being affected by effects. For example, your Digimon won't suspend if it's chosen for a "suspend 1 of your opponent's Digimon" effect, and its DP won't be reduced by 3000 if it's chosen for a "1 of your opponent's Digimon gets -3000 DP."
13 June 2025
At the end of an attack by this card that has just 1 card with [Greymon] in its name in its digivolution cards, can I activate this card's [End of Attack] effect and play just the card with [Greymon] in its name from this Digimon's digivolution cards?
Yes, just that card can be played.
13 June 2025
What combinations of digivolution cards can be played by this card's [End of Attack] effect?
The following combinations are possible. ●1 card with [Greymon] in its name and 1 card with [Garurumon] in its name ●1 card with [Greymon] in its name and 1 card with the [Ver.2] trait ●1 card with the [Ver.1] trait and 1 card with [Garurumon] in its name ●1 card with the [Ver.1] trait and 1 card with the [Ver.2] trait
13 June 2025
If a card has an "isn't affected by [...] effects" effect, it gains an effect, then it later loses the "isn't affected by [...] effects" effect, what happens to the effect that it gained?
It will be affected by the effect as soon as it can be affected by effects.
13 June 2025
At the end of an attack by this card that has just 1 card with [Greymon] in its name in its digivolution cards, can I activate this card's [End of Attack] effect and play just the card with [Greymon] in its name from this Digimon's digivolution cards?
Yes, just that card can be played.
13 June 2025
A card that has an "isn't affected by [...] effects" effect was given an effect that triggers at a timing such as [When Attacking]. Will the effect trigger if that card later meets the trigger conditions?
If the Digimon isn't affected by effects upon the trigger timing, the effect won't trigger.
13 June 2025
Can a card that has an "isn't affected by [...] effects" effect be given an effect?
Yes, it can. It won't be affected by it, but it can be given an effect. However, if an effect such as <Security A.> is given to a Digimon that isn't affected by effects, the Digimon won't be considered to have that effect.
13 June 2025
If a card is affected by an effect, then it later gains an "isn't affected by [...] effects" effect, what happens to the effect that was affecting it?
As soon as it gains the "isn't affected by [...] effects" effect, it will no longer be affected.
13 June 2025
A card that has an "isn't affected by [...] effects" effect was given an effect that triggers at a timing such as [When Attacking]. Will the effect trigger if that card later meets the trigger conditions?
If the Digimon isn't affected by effects upon the trigger timing, the effect won't trigger.
13 June 2025
Can a card that has an "isn't affected by [...] effects" effect be chosen for an effect?
Yes, it can be chosen. For example, a Digimon that isn't affected by effects can be chosen for a "suspend 1 of your opponent's Digimon" effect.
13 June 2025
If a card has an "isn't affected by [...] effects" effect, it gains an effect, then it later loses the "isn't affected by [...] effects" effect, what happens to the effect that it gained?
It will be affected by the effect as soon as it can be affected by effects.
13 June 2025
At the end of an attack by this card that has 1 card with [Greymon] in its name and 1 card with [Garurumon] in its name in its digivolution cards, can I activate this card's [End of Attack] effect and play just the card with [Greymon] in its name from this Digimon's digivolution cards?Mar. 13, 2026 Updated
No, you can't. If this card's [End of Attack] effect activates, you must play the specified cards whenever possible.
13 June 2025
Can a card that has an "isn't affected by [...] effects" effect be chosen for an effect?
Yes, it can be chosen. For example, a Digimon that isn't affected by effects can be chosen for a "suspend 1 of your opponent's Digimon" effect.
13 June 2025
At the end of an attack by this card that has 1 card with [Greymon] in its name and 1 card with [Garurumon] in its name in its digivolution cards, can I activate this card's [End of Attack] effect and play just the card with [Greymon] in its name from this Digimon's digivolution cards?Mar. 13, 2026 Updated
No, you can't. If this card's [End of Attack] effect activates, you must play the specified cards whenever possible.
13 June 2025
Can I process the part of the effect after "then" in this card's [When Digivolving] effect even if the "if" condition in the 1st process isn't met?
Yes, you can process it. Even if this Digimon didn't DNA digivolve, this card's [When Digivolving] effect deletes all of your opponent's Digimon with the highest level.
13 June 2025
If a card is affected by an effect, then it later gains an "isn't affected by [...] effects" effect, what happens to the effect that was affecting it?
As soon as it gains the "isn't affected by [...] effects" effect, it will no longer be affected.
13 June 2025
What combinations of digivolution cards can be played by this card's [End of Attack] effect?
The following combinations are possible. ●1 card with [Greymon] in its name and 1 card with [Garurumon] in its name ●1 card with [Greymon] in its name and 1 card with the [Ver.2] trait ●1 card with the [Ver.1] trait and 1 card with [Garurumon] in its name ●1 card with the [Ver.1] trait and 1 card with the [Ver.2] trait
13 June 2025
Public decks playing Omnimon Alter-S
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