mtg commander decks phyrexia / EDH — All Will Be One Commander (ONC) #111 Illustrated by Svetlin Velinov Magic MTG / Phyrexia All Will

But with any kind of mana dorks (like Llanowar Elves) or lands that sacrifice themselves (like fetch lands), the cub quickly builds an overwhelming mana advantage

Its worth noting that most of the value reprints are cantrips like Preordain and Ponder, or the same lands in the other precons

Just like Eternal Witness is usually more powerful that Regrowth because you can abuse the creatureness of it, you can flicker, bounce, or recur this for more and more lands (maybe even cards!)

Packbeast is only good when you wind up with a focused deck, while the removal spells (like the various Exhales) are good no matter what your deck looks like

Obviously, you're in blue, so Thassa's Oracle awaits you as an easy wincon, but there's also some great options involving flickering Tivit for resources

And that's a powerful combo