You start the game with a red [Nanoshield] Weapon Accessory token with Exclusive and, "When the attached card would take damage, detach this and prevent that damage instead. This card cannot leave play".
20: When a [Mecha Drailia] Clash card you control enters play, you may engage this card. If you do, you may attach a [Nanoshield] to it and at the end of this turn ready that Clash card.
When the effect of an Accessory you control prevents damage for the first time each turn, draw a card.
10: Clash cards with a [Nanoshield] attached gain Safeguard .