Number 96: Dark Mist – (Genesis Impact) – (GEIM-EN052) – (Rare)

3 Level 2 monsters
Once per battle, during either player’s turn, when an attack is declared involving this card and an opponent’s monster: You can detach 1 Xyz Material from this card; halve the ATK of the opponent’s monster, and if you do, this card gains that same amount of ATK.