Saw in Half by paying ({2} magic symbol) ({B} magic symbol) , destroying
Warden of the Eye 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
Warden of the Eye tokens enter the battlefield, they trigger, returning
Saw in Half and
Burnt Offering from your graveyard to your hand.
Cast
Burnt Offering by paying ({B} magic symbol) and sacrificing a
Warden of the Eye token, adding ({B} magic symbol) ({B} magic symbol) plus an additional amount of ({B} magic symbol) and/or ({R} magic symbol) equal to its mana value minus 2.