Coming from the same box I noticed many had various shades of grey to them
It not only replaces itself and can take out a creature thanks to deathtouch, it's also an evasive flier and an artifact creature, meaning it has plenty of synergies to work with
It's not much damage, but it's still better than a vanilla tapped land and you might snipe a pesky planeswalker
After that, continue by summoning Masterflare Hyperion (a new Synchro Supporting Monster) and the effect can banish one opponent's card on the field and the second effect can mill The Agent's monster or the effect of which is quoted as "The Sanctuary in The Sky" from Hand, Deck or Extra and copy the effect of the dumb or discarded Monster, I usually dump The Agent of Destruction - Venus (a new Supporting card) with the effect of swarming back the Mystical Shine Ball wasted or banished, then when it is released from the field, it will return to the Deck
Boot Sector Launch is the perfect field spell for the deck
Being three stars, it requires no tributes to summon, and has a pretty enticing ability if you can keep it alive when it goes face down