Katsurou, Battle-Trance Bushi

Haste
Bushido 3 (Whenever this creature blocks or becomes blocked, it gets +3/+3 until end of turn.)
Whenever Katsurou attacks and isn't blocked,
you may pay {r} and reveal a creature card from
your hand. If you do, Katsurou becomes a copy
of the revealed card until end of turn.
"Many hands, one blade."