13x lands that can produce white or black 1x land that can enter as either white or black (Brightclimb Pathway // Grimclimb Pathway) 9x lands that produce black mana One of them being Urborg, Tomb of Yawgmoth, which will make all lands on the battlefield a swamp, in addition to their other types Two of them being MDFC cards (Hagra Mauling // Hagra Broodpit and Agadeems Awakening // Agadeem, the Undercrypt) 6x lands that product white mana 5x utility lands For utility lands, there is the Dark Depths / Thespians Stage combo mentioned previously
Cats have plenty of typal support, and just getting in, gaining 1 life, and making a token is way more than your average 1-mana creature gives you
Arenas developers have signalled that multiplayer support is on the horizon, introducing partner commanders and hinting at social features
Will your superior tactics allow you to achieve victory over your opponents
For such a fearsome in-world general, I think thats a flavor win.