Instant
Cast
this
spell
only
during
combat
on
your
turn.
Choose
one
—
•
Creatures
you
control
gain
double
strike
until
end
of
turn.
•
Untap
all
creatures
you
control.
After
this
phase,
there
is
an
additional
combat
phase.
Entwine
(Choose
both
if
you
pay
the
entwine
cost.)