Rules FAQ
- This location cannot be triggered more than once per phase even if it leaves play and is put into play again. (because the limit is a "max")
King's Landing.
Shadow (2).
Interrupt: When the effects of a triggered character ability would initiate, if that character does not have shadow, kneel and return Alchemists' Guildhall to shadows to cancel those effects. (Max 1 per phase.)
Link: Decklists
Rules FAQ