Granted, those decks are almost all focused on milling out the opponent but the original Hedron Crab is also able to target yourself, which makes it one of the most explosive and mana-efficient self-mill engines ever printed
And it's not just finishersmaybe you main deck some situational artifact or enchantment removal, or perhaps you have some big life gain spell that you just want to find sometimes to stabilize
This is pretty much the only land-based strategy in cEDH, and for good reason
This group of prolific Commander players monitors Commander games and individual cards to determine if theyre unhealthy for the greater Commander format
Just assume every conversation is on record
Shelob, Dread Weaver checks decks that like to sacrifice creatures and bring them back, but unlike other similar cards like Kalitas, Traitor of Ghet, Shelob has a mechanism to pass through the big Spider and deposit an exiled creature back in its controllers graveyard