Magic Wrench (BSS03-137) [Aquatic Invaders]

[Burst: When Opponent Destroys Your Spirit]
All of your blue spirits gain 2000 BP during this turn. You can then pay this card's cost to activate its main effect.

Hand
Discard the top four cards of your opponent's deck. When a magic card is discarded by this effect, select one of your spirits and place a core from the void onto it.