Enchantment
At
the
beginning
of
your
end
step,
two
target
players
each
reveal
the
top
card
of
their
library.
They
each
lose
life
equal
to
the
mana
value
of
the
card
revealed
by
the
other
player.
Then
they
each
put
the
card
they
revealed
into
their
hand.