Legendary Artifact — Powerstone
When
The
Mightstone
and
Weakstone
enters,
choose
one
—
•
Draw
two
cards.
•
Target
creature
gets
-5/-5
until
end
of
turn.
:
Add
.
This
mana
can't
be
spent
to
cast
nonartifact
spells.
(Melds
with
Urza,
Lord
Protector.)
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