Susano, the Greatest Warrior

Susano can't attack or block alone.
Boast —{1}{r}: Search your library for a card
named Orochi's Resurrection, put it into your
hand, then shuffle your library. (Activate this
ability only if this creature attacked this turn and
only once each turn.)
"Behind this rock lies my secret training ground.
It's the perfect place to hide—Er... I mean,
to train!"