Shadow Spectre

Flying, Flash
{t}: You can {t} any number of cards named Shadow
Spectre that you control. If you do, deal damage to
target creature equal to the total power of the cards
that have been tapped to activate this ability.
Those cards do not {ut} in your next untap step.

To the wider Eldar race the Shadow Spectres
are long forgotten, just another part of their culture
lost to the cataclysm that destroyed their kin.