Vakai, the Looming Veil

Flying, Menace
At the beginning of your upkeep you may put a
veil counter on target permanent you control.
Whenever a creature you control with a veil
counter on it deals combat damage to a player
you may remove its veil counter. If you do, that
player loses 3 life.
"Unseen, Unheard, Unyielding."