The copied artifact stays in play, even if the original goes to the graveyard, which means a player can use it to get some pretty powerful artifacts on their side and gain the upper hand against more seasoned players with stronger decks
Bbobrob's collection thread--just a hop, skip, and a jump away
While Imps Mischief is in some ways better, because it gives a Deflecting Swat effect to Black, its also nearly $30, and not worth it unless youre playing at the highest power levels in which case youre probably playing red and/or blue anyways, defeating the purpose
Walking Ballista Walking Ballista is a versatile card that can be used as a big stompy creature, removal for creatures and planeswalkers, or just to deal direct damage
These are natural extensions of the original flavor, as all three are rooted in the idea of chaotic energy resulting from tampering with forces beyond mortal understanding, and I love seeing how this idea has evolved