It really was like rediscovering some of my childhood memories in nostalgia for the series
Most people exclude these from their value lists as they are so well known that they form the core nine of any standard top ten list
That said, they are some of the most consistent decks in the game right now, outpacing Grass-type decks that often rely on three-stage combos and Fire-type decks that have high damage but are very slow
Granted, this path and the ones involving tokens lean a lot more in the combo direction than the mana acceleration direction, but its definitely worth noting Carnival of Souls capability of being useful outside unreliable 3-4 card loops in these strategies, as it gets a bad rap Im not convinced it fully deserves when reading about its capabilities elsewhere
When these hit, eBay becomes temporarily the cheapest platform for almost everything
Amusingly, your opponents will probably need a non-creature spell to take it out, so you might get one last draw on the Sentinel's way out