Rules FAQ
- Knight of Flowers can trigger his ability when a duplicate comes out of shadows, because a duplicate is still a card even though it is not a character or location, etc.
Kingsguard. Knight.
Shadow (5). Renown.
Reaction: After a card you control comes out of shadows, choose and stand a Kingsguard character. (Limit twice per round.)
Link: Decklists
Rules FAQ