Legendary Creature — Human Artificer
Vigilance
,
:
Draw
a
card,
then
discard
a
card.
Whenever
you
discard
one
or
more
artifact
cards,
create
a
tapped
Powerstone
token.
This
ability
triggers
only
once
each
turn.
(The
token
is
an
artifact
with
"
:
Add
.
This
mana
can't
be
spent
to
cast
a
nonartifact
spell.")
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