mtg commander decks phyrexia / EDH — The Gathering The Top 10 Cards from

And that's a powerful combo

The dual lands with their rectangular rings in the text boxes were one

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

The subtitle of "Mischievous Pals" seems to fit the duo well, particularly with the card's ability, Sleight of Hand

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!)

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