★Events: NIJISANJI Campaign | Duelist Cup★
★Updates: 12/05 Maintenance | 12/05 Banlist★
★Newly Released Card Packs:
┣ Secret Packs: Atonement's End | Fruits of the Sinful★
┗ Selection Pack: The End of Guilt★
Firewall Guardian is a Effect card in Yu-Gi-Oh Master Duel! Read on to see the card effect of Firewall Guardian, its rarity, and all the packs used to unlock Firewall Guardian!
List of Contents

| Rarity |
|
||
|---|---|---|---|
| Level |
4
|
||
| Types & Attribute | Dark, Effect, Cyberse | ||
| Attack | 100 | Defense | 2000 |
If this card is sent to the GY as material for the Link Summon of a Cyberse monster: You can Special Summon this card, but banish it when it leaves the field. When an attack is declared involving your Link Monster and an opponent's Link Monster: You can banish this card from your GY; negate that attack, and if you do, until the end of this turn, the original ATK of that opponent's monster becomes 0, also it is unaffected by other card effects, except its own. You can only use each effect of Firewall Guardian
once per turn.
|
|
This card is currently not included in this type of Card Pack in Yu-Gi-Oh! Master Duel. |
|---|
|
|
This card is currently not included in this type of Card Pack in Yu-Gi-Oh! Master Duel. |
|---|
| Crafting Cost | Disenchanting Cost |
|---|---|
|
|
Basic Finish:
Foil Finish:
Royal Finish:
|
You can craft Firewall Guardian using CP-Rs. To do so, go to the Deck Builder screen, search for Firewall Guardian, then click on Generate.
How to Craft Cards

Firewall Guardian can be acquired from the Legacy Pack. Take note that the odds of acquiring Firewall Guardian from this particular pack are significantly low due to the large card pool within.
| Deck Lists | |
|---|---|
![]() DPE Scythe |
|

| Monster Attributes | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spell | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Traps | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| - | - |
| Toon | Spirit | Union | Gemini |
| Tuner | Flip | Special Summon | - |
Firewall Guardian Effect, Rarity, and Related Packs



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