Entirely optional, but if you have them laying around, I highly recommend busting them out
Its my single favorite Enchanted so far, and I would not be surprised to see it retain a lot of value overtime
It is a bit of a bummer that all this Artifact spot removal is a little worse in a world with the For Mirrodin! mechanic, because your opponent still holds on to a token, and being a Sorcery is pretty rough too
Registry and population reports Tracking : PSA's population report tallies how many cards of a specific type have been graded at each grade level
In decks with many creatures you may want to run at least 1 board protection card with more ( 2-3 ) to be recommended unless you can have other ways to recover your board like mass recursion
Even if you only use his effect to summon back 2 Shingetsu, you still are getting the Hopper Lock out of the deal