Artifact
As
this
artifact
enters,
choose
artifact,
creature,
enchantment,
instant,
or
sorcery.
Spells
you
cast
of
the
chosen
type
cost
less
to
cast.
"A key only unlocks a door. Its wielder must choose whether to cross the threshold."
—*Hurkyl's Metaphysics, vol. II*
Retro
