His mechanics allow you to cast artifact spells in your graveyard, because this tells the story of Noctis communing with the king's previous weapons in the Royal Tombs, using weapons of the past in the present
The blue light at the end of the Duplicants arm does double duty here, serving as a nice spot of contrast in the gloom of the overall piece, while also representing the means by which the creature scans and replicates others
It doesn't copy whether that permanent is tapped or untapped, whether that permanent has any counters on it or any Auras and/or Equipment attached to it, and it doesn't copy any non-copy effects that have changed that permanent's power, toughness, types, color, abilities, or so on
Oko, Thief of Crowns Percent of Decks Pre-MCV : 19.9% Copies per Deck Pre-MCV: 3.6 Copies in MCV Decks: 98 (9th) Oko is likely the most underrated card on this list in terms of its rank and the number of copies played in Mythic Championship V
Bastion of Remembrance A nice bit of representation for aristocrat decks, Bastion of Remembrance is nice because its harder to remove than aristocrat creatures