Peri can help us ramp out both our commander and powerful historic threats, while Romana doubles up the copied tokens created by Six
It's not a specific mechanic, but a great way to describe this play pattern, and is a much better slang term for describing the archetype than cards leaving the graveyard
A 99/99 that wears krakens and dreadnoughts for earrings might seem terrifyingly large, and its triple menace evasion ability is certainly rare
Stitchwing Skaab: if you self-milled and can afford the discard (or will benefit from a discard), its a 2 mana 3/1
I did manage to beat an opponent in a Steel Overseer-based artifact mirror match once I shut off all of his artifacts thanks to Karn
Imagine Poseidon, or Athena, or Ares nudging this fighters shield or that ones spear in a large-scale battle like the Iliad