[CONT]:Sentinel
[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 units that is being attacked, and that unit cannot be hit until end of that battle. If there is a "Battle Sister, Marmalade" in your drop zone, and the number of cards in your hand is three or less, you may draw a card.