Tainted of the Tistina

You can Tribute Summon this card face-up by Tributing 1 face-down monster your opponent controls. This card's Level becomes 10 if it was Normal Summoned/Set. If this card is sent to the GY, except from the field: You can target 1 "Tistina" monster you control; this turn, it can make a second attack during each Battle Phase, also you can only attack with 1 monster.