Security Knight, Regius

:Sentinel :When this unit is placed on from hand, [discard a card from hand], choose one of your units being attacked, and it cannot be hit until end of that battle. Brave:When this unit is placed on , if you have a vanguard with "Altmile" in its card name, 1. Then, if your hand has one or less cards, choose one of your units being attacked, and it cannot be hit until end of that battle.