Savior of Ollenbock has two separate abilities, which means you can permanently exile something by sacrificing or otherwise getting it to leave play before the first ability resolves
And while some are safer than others, there are risks to investing your time and your money into any option I mentioned above
Its the backbone of various cascade decks, most notably ones leveraging either Crashing Footfalls or Living End
Cycle Through The Dungeon Sefris of the Hidden Ways is one of the easiest ways to venture through dungeons
Best Jund Token Commander (Prossh, Skyraider of Kher) Prossh, Skyraider of Kher was one of the strongest face cards from the early Commander preconstructed decks, and it doesnt take a lot of digging to see why
Field of the Dead also gave control decks another viable win condition while allowing Amulet Titan a non-hasty Primeval Titan route of victory