Instant
Choose
target
creature
you
control
and
target
creature
you
don't
control.
If
you
cast
this
spell
during
your
main
phase,
the
creature
you
control
gets
+1/+1
until
end
of
turn.
Then
those
creatures
fight
each
other.
(Each
deals
damage
equal
to
its
power
to
the
other.)
