Evangelion Mark.06

Flying, flash

If Evangelion Mark.06 enters the battlefield during
an opponents turn, destroy target attacking creature,
you may pay {2} and repeat this step, for each angel destroyed this way, add {u}{b}.

{u}{b}: sacrifice Evangelion Mark.06, you may return target angel from the graveyard to the battlefield
under your control, if not, return it to your hand.