Abolisher of Angels

When Abolisher of Angels enters the battlefield, it deals x damage to each angel, gains that many +1/+1 counters, and all angels loose indestructible until the end of the turn. If an angel would die this way, it can't be regenerated.
{x}{b/r} Sacrifice another demon: Abolisher of Angels deals 10 damage to target angel. It loses indestructible until the end of the turn. If an angel would die this way, it can't be regenerated. Activate only once per turn.