Altria Pendragon

Hexproof
{t}, {x}: This card deals X damage to target
creature where X is the amount of {w} tapped
to activate ability.
"Holding aloft their dying wish, making certain that
their loyalty will not be in vain, the invincible king is
about to cry out the true name of the miracle she
wields in her hands." -Irisviel von Einzbern