Some may be there to start attacking quickly while energizing the Pokemon on the bench
But Im here to show you that there are plenty of mono-black commanders that are more than up to the task of competing at any table
Why theyre not to blame: Yes, it sucks that you havent been able to find a pack of baseball cards for you or your kids to open every time you go to Target
Optimally, Sky Striker Ace Shizuku would be summoned in the left Extra Monster Zone such that its top-left Link Arrow points to the 3rd Main Monster Zone, while Sky Striker Ace Kagari would be summoned in the right Extra Monster Zone such that its top-right Link Arrow points to the 3rd Main Monster Zone
Per the restrictions on trading, only cards of the same rarity can be traded, meaning the seller gains an ex Pokmon when they sell one and can therefore just sell it again
A strong zombie commander does one of three things: it makes tokens to go wide, it recurs creatures from the graveyard so your board never stays cleared, or it turns a pile of dying zombies into card advantage and life drain