(Lv. 1-2): When your Nexus is destroyed due to the effects of an opposing Spirit, Nexus, or Spell Card, choose a Gem Color; all opposing Spirits of the specified Gem Color are exhausted. During Your Opponent's Attack Phase (Lv. 2): All Spirits on your Field with the Special Emerald Ability WINDSTORM gain the following effect changes: "When This Spirit Blocks: WINDSTORM (1)
Your opponent must exhaust a number of his/her Spirits equal to the amount specified."