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V-BT01-015EN-RR

Flash Shield, Iseult

See also: Perfect Guard and Quintet Wall

"Sentinel" (守護者センチネル Senchineru) is a keyword introduced in Booster Set 9: Clash of the Knights & Dragons. In Cardfight!! Online, Sentinel was indicated by a shield-like icon in the deck build: Sentinel-Icon. "Sentinel" is featured exclusively on cards that also have a powerful defensive ability, such as Perfect Guard or Quintet Wall.

Previously only normal units had Sentinel, but beginning with V Booster Set 01: Unite! Team Q4, some draw triggers have Sentinel as well.

How it Works

You can only include up to four total cards with the "Sentinel" ability in your main deck, even if they have different names. This ability remains always active from anywhere, anytime, even during deck construction.

Regarding Cards without Sentinel

Perfect Guards that were printed prior to the release of Booster Set 9 did not have the keyword Sentinel printed on them. These units have all been given errata to have the "Sentinel" ability. This means you cannot have, for example, four each of Archbird and Ancient Dragon, Paraswall in the same deck, even though Archbird doesn't have the "Sentinel" keyword printed on the card.

List of Cards

Angel Feather


Aqua Force


Bermuda Triangle


Dark Irregulars


Dimension Police


Etranger


Gear Chronicle


Genesis


Gold Paladin


Granblue


Great Nature


Kagero


Link Joker


Megacolony


Murakumo


Narukami


Neo Nectar


Nova Grappler


Nubatama


Oracle Think Tank


Pale Moon


Royal Paladin


Shadow Paladin


Spike Brothers


Tachikaze


The Mask Collection


Touken Ranbu


List of Support Cards

Bermuda Triangle


Kagero


Oracle Think Tank


Tachikaze


List of Anti-Support Cards

Angel Feather


Dark Irregulars


Dimension Police


Granblue


Great Nature


Kagero


Megacolony


Nova Grappler


Shadow Paladin


Touken Ranbu


Trivia

  • The kanji "守護者" (Shugosha) can be translated as either "Guardian" or "Protector".