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- This card can be searched by "A Cat of Ill Omen" and "The Despair Uranus".
- If you use this card in conjunction with "Spirit Barrier", you can protect yourself indefinitely, because "Astral Barrier" allows you to change attacks to direct attacks, and "Spirit Barrier" will cancel the damage from those direct attacks so long as you have a monster.
- Use this along with "Des Counterblow" to destroy any monster that attacks.
- This card makes it easier to activate cards that can only activate in response to direct attacks, such as "Flashbang", "Confusion Chaff", "Wolf in Sheep's Clothing", "Heartfelt Appeal" and "Drowning Mirror Force".