Legendary Creature — Human Warlock
Lifelink
Whenever
an
Aura
you
control
becomes
attached
to
a
nonland
permanent
an
opponent
controls
with
mana
value
less
than
or
equal
to
that
Aura's
mana
value,
gain
control
of
that
permanent
for
as
long
as
that
Aura
is
attached
to
it.
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