Dragon Install is a Weiß Schwarz card from Guilty Gear -Strive- GGST/SX06-097. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 of your characters with "Ky" in its card name, and that character gets +3000 power and the following ability until end of turn. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, you may deal 1 damage to your opponent." (Damage may be canceled)