Yakumo Shinonome

Vigilance
{w}{r}{t}: Until end of turn, any time this creature
deals damage to a target, double that damage.
Any time this creature is dealt damage, prevent
half that damage, rounded up.
Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its
owner's control with a -1/-1 counter on it.)