“I can hear you now.”

This card is from “Limit Over Collection -THE HEROES-“.

LOCH-JP012 ガガガガール－ゼロゼロコール Gagaga Girl – Zero Zero Call [Gagaga Girl – Cell Phone Subtraction]
Level 3 DARK Spellcaster Effect Monster
ATK 1000
DEF 800
You can only use the (1)st and (2)nd effects of this card’s name once per turn.
(1) If your opponent Special Summons a monster(s) from the Extra Deck: You can target 1 face-up monster you control; Special Summon this card from your hand, then, immediately after this effect resolves, Xyz Summon using only it and the targeted monster. When you do, treat this card’s Level the same as that monster’s.
(2) If this card is detached to activate an Xyz Monster’s effect: You can change the ATK of 1 face-up monster your opponent controls to 0.

Note: Cell Phone Subtraction is the name of her effect in the 4kids/Konami Cross Media dub.