Lolth, Sea Witch

When Lolth, Sea Witch enters the battlefield, you
may pay {x}{x}. Put that many Mirror Image
counters on Lolth, Sea Witch.
If this creature would be targeted by a spell or ability, you may remove a Mirror Image counter instead.
{r}{r}{t}: Lolth, Sea Witch deals damage equal to
her power, divided as you choose among any
number of targets.