Sayojin, Who Waits in Silence

Vigilance
Whenever you take combat damage, put a +1/+1 counter on Sayojin, Who Waits in Silence.
{1}{w}, {t}: Destroy target attacking or blocking creature with power less than Sayojin's power.
"Just as a river cuts through stone over a thousand years, so too does Time reduce the resilient to dust. Even the defiant must accept this truth."