Explicitly, I also want to hear people's experience with prison decks, mill decks, storm-type alternative win conditions, and anything else I've forgotten
6 The Mimeoplasm A Sultai (black/blue/green) Ooze for five mana, The Mimeoplasm is a classic commander option that allows you to make use of not just your own graveyard, but your opponents' as well
Likewise, while Jack-o'-Lantern might not be the most potent colorless staple in Magic, it is versatile, being able to draw cards, disable graveyards, and even act as mana fixing in a pinch
This is relatively straightforward
While eBay is a great platform, there are still areas rife with fraud