Instant
Target
creature
gets
+2/+2
until
end
of
turn.
Clash
with
an
opponent.
If
you
win,
that
creature
gets
an
additional
+2/+2
and
gains
trample
until
end
of
turn.
(Each
clashing
player
reveals
the
top
card
of
their
library,
then
puts
that
card
on
their
choice
of
the
top
or
bottom.
A
player
wins
if
their
card
had
a
greater
mana
value.)