A significant portion of the Red cards are just Balduvian berserkers Rogue Skycaptain has a cool artwork of a knight riding a giant hawk, and the idea that he's a 'mercenary' is reflected by you needing to pay mana for 'wage counters', otherwise the Rogue Skycaptain switches sides
All three of these cards have been banned in at least one format, and it seems like Wizards of the Coast is playing it extra safe
Queen Marchesa Queen Marchesa is a great Mardu creature for those multiplayer games
We already know thanks to Orcish Siegemaster that having lots of big dumb orcs is something the Hosts of Mordor loves, and Corsairs of Umbar makes sure there are both lots of big dumb orcs, but they get to rampage wherever they please
Ally Allies are a cooperative tribe in Commander, known for their ability to grow stronger as more of them join the battlefield
A Winning Wedge Abzan may not be the most popular tri-color combination in Commander, but it certainly doesn't lack power or versatility