Flash of Heraldry
Quick-Play Spell

Target any number of face-up monsters your opponent controls; those monsters' names become "Unknown". During your End Phase, if you control a Psychic Xyz Monster and this card is in your GY: You can Set this card, but banish it when it leaves the field. You can only use this effect of "Flash of Heraldry" once per turn.
About the card
Flash of Heraldry is a Quick-Play Spell card. Quick-Play Spells can be activated on the opponent's turn if Set beforehand.
It belongs to the Heraldry archetype.
It is unrestricted on the TCG Forbidden & Limited List: a deck can run up to 3 copies.
It came out in the TCG in 2025 and has been printed in 1 set (Alliance Insight).
Sets it was printed in
- Alliance Insight 2025SR Super Rare
More Heraldry cards
Card data and images provided by YGOPRODeck.




