Sekiro, Divine Heir's Shinobi

When Sekiro, Divine Heir's Shinobi deals damage
to a creature, put a posture counter on that
creature.
If a creature with a posture counter would untap,
remove the posture counter instead of untapping
it.
{w}{u}{r}{1}: Regenerate Sekiro, Divine Heir's
Shinobi
{w}{u}{r},{t}: Destroy target tapped creature