Spright Pixies

“If you control a Level/Rank 2 monster, you can Special Summon this card (from your hand). You can only Special Summon "Spright Pixies" once per turn this way. During damage calculation, if another Level/Rank/Link 2 monster you control battles an opponent's monster (Quick Effect): You can send this card from your hand or field to the GY; that monster you control gains ATK/DEF equal to the opponent's monster's ATK, until the end of this turn. You can only use this effect of "Spright Pixies" once per turn.”