yugioh zexal quattro deck Complete Custom for Yu-Gi-Oh! Quattro - Yugipedia

When an opponents monster declares an attack, while your LP are lower than your opponents: You can Special Summon 1 Aroma monster from your Deck

Each Commander deck is entirely in the Retro Frame and includes a special Collector Booster Sample Pack

The reason no one has been able to get the card until now is because the game's developers, DENA and The Pokmon Company, haven't revealed it yet

Something else to keep in mind is that Limited Information also covers sealed deck on a regular basis

This lined up with their naming, as they were basically specters, and destroying a specter would probably be pretty hard

That opponent may repeat this process as many times as they choose