Each time a creature you control connives, you can pay one mana to spin out a 2/2 Robot Villain token, and the Saga Age of Ultron pumps out the same Robots
Three Energy is also a very easy cost for this deck to pay, which means that last ability will be online most of the game
Cheap artifacts with death triggers or refund abilities maximise Repurposing Bays efficiency
Sure, it comes back with a finality counter, but it is still a very strong effect
So one might assume this is a combat deck
You wouldn't know it by this artwork, but Nicol Bolas would get a significant coolness upgrade in subsequent interpretations as he rises to be easily the most significant character out of these five Elder Dragons, and becomes a god-pharaoh planeswalker that would invade the Egyptian-gods-themed plane