Zonno, Forged Hero

Zonno, Forged Hero's power and toughness
is equal to the number of times it has been
cast. X equal one plus the number of times
it has been previously cast.
Flying, first strike
{w}{u}{b}{r}{g}: Zonno, Forged Hero dies instead of another creature you control. Activate this ability
only in reaction to a creature you control dying.
If both would die to the same spell, both still die.