Hashirama Senju

Jutsu {g/w}{g/w} (you can use this ability once each
combat if you have this cost untapped in your
mana pool)
Every creature blocking Hashirama Senju
is tapped after combat.
{g/w}{g/w} Every creature tapped by the effect of
Hashirama Senju does not untap during
its owner's next untap step.