Saw in Half by paying ({2} magic symbol) ({B} magic symbol) , destroying
Izzet Chronarch and creating two token copies of it with base power equal to half the destroyed creature's power and base toughness equal to half the destroyed creature's toughness, rounding up each time.
When the
Izzet Chronarch tokens enter the battlefield, they trigger, returning
Saw in Half and
Sacrifice from your graveyard to your hand.
Cast
Sacrifice by paying ({B} magic symbol) and sacrificing a
Izzet Chronarch token, adding an amount of ({B} magic symbol) equal to its mana value.