[CONT]: Sentinel (You may only have up to four cards with "[CONT]:Sentinel" in a deck) [AUTO]:When this card is removed from your hand for G Assist, all players draw a card. [AUTO]:[Choose a card from your hand, and discard it] When this unit is placed on (GC) from hand, you may pay the cost. If you do, choose one of your vanguards that is being attacked, and that unit cannot be hit until end of that battle. [CONT]:This card is also of all clans and nations.