Frontline Observer
Frontline Observer is a Effect Monster, first released in 2015 in Secrets of Eternity. It has 1 printing across 1 set (Rare). SECE-EN039 Rare sells for about $0.16. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.16
Type
Machine
Level
4
ATK
1000
DEF
1500
During the End Phase, if this card was Normal Summoned this turn: You can add 1 EARTH Pendulum Monster from your Deck to your hand. If this card was Normal Summoned, during the End Phase of the Summoning player's next turn: You can Tribute this card; add 1 EARTH monster from your Deck to your hand.
Appears in 1 expansion
Printings (1)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Secrets of Eternity | SECE-EN039 | Rare | $0.16 |
Frontline Observer: FAQ
How much is Frontline Observer worth?+
Frontline Observer currently sells for $0.16 on TCGPlayer. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was Frontline Observer printed in?+
Frontline Observer appears in 1 set: Secrets of Eternity.
Is Frontline Observer legal in tournaments?+
On the current TCG Forbidden & Limited List, Frontline Observer is unlimited (3 copies).
What is the passcode of Frontline Observer?+
The 8-digit passcode printed on Frontline Observer is 12451640.
What is your collection worth?
YuScan identifies any Yu-Gi-Oh! card with your camera and tracks live prices per printing across five marketplaces — so a 1st Edition never gets averaged with an Unlimited.
