The mix of disruption and relentless card advantage makes this one of the scariest choices at competitive tables
It packs 15 new-to- Magic spells, almost all concerned with producing more Spirit tokens the better to utilize lords like Drogskol Captain and Supreme Phantom, or continue re-casting primary commander Millicent, Restless Revenant
Maze's End requires 10 gates in play, which has been made easier over time
It disrupts your opponent yet replaces itself with another card thus advancing you towards you ultimate game plan
The Golgari Midrange deck is fine for kitchen table play, but it's severely lacking in terms of upgrade potential
Then the next turn, you can sacrifice that artifact for a two-mana artifact, and so on and so forth until several turns later you've got a nine-mana artifact to win you the game