Chainsaw Man, Hero of Hell

Haste, Chainsaw Man, Hero of Hell cannot attack or
block unless a creature died this turn.
{1}{b}: Each player sacrifices a permanent.
{2}{r}: Chainsaw Man, Hero of Hell get +3/-3
until end off turn.
{2}{u},{t}: Chainsaw Man, Hero of Hell gains invincibility until end of turn.
"Vam! VaaVaa!!"