mtg commander decks phyrexia / EDH — create a 1/1 green Phyrexian Insect creature token with infect for each poison counter your opponents have Phyrexia All Will Be One

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

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

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

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

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