: Cardfight!! Vanguard
: Booster Set 9: Clash of the Knights & Dragons
Halo Shield, Mark:
[CONT]: Sentinel (You may only have up to four cards with "Sentinel" in a deck.) [AUTO]:[Choose a Â«Gold PaladinÂ» from your hand, and discard it] When this unit is placed on Guardian Circle, you may pay the cost. If you do, choose one of your Â«Gold PaladinÂ» that is being attacked, and that unit cannot be hit until end of that battle.
(BT06): It is our precious hope! We will protect it at all costs!