Edict: Preparation for Battle (R)
1
[Set] (This card remains on the field.) Abilities of 《Astrodragon》 on your field cannot be nullified by your opponent's card effects. When an 《Astrodragon》 monster enters your field, you gain 1 life, and draw a card. This ability only activates once per turn. You may only [Set] one "Edict: Preparation for Battle" on your field.