You can banish any number of Beast, Beast-Warrior, and/or Winged Beast monsters in your GY; Special Summon 1 Beast, Beast-Warrior, or Winged Beast Link Monster from your Extra Deck, with Link Rating equal to the number banished, also you can only use Beast, Beast-Warrior, and Winged Beast monsters as Link Material for the rest of this turn.

You can only use each effect of "Tri-Brigade Nervall" once per turn.