Firewall Guardian
Effect Monster
DARK
Cyberse
Level 4
ATK 100 / DEF 2000
Lowest price · All printings
$0.60
Any condition · All stores · Oct 18, 2026
Market
—
Listings
5
1 printing · 4 stores
| Store | Printing | Edition | Cond. |
|---|
No listings match these filters.
Prices as of Oct 18, 2026 at 5 AM ET. Stock moves fast, so confirm on the store's page.
| Set code | Set | Rarity | Listings | Lowest today |
|---|---|---|---|---|
| DANE-EN001 | Dark Neostorm | Common | 4 | $0.60 |
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.