Total Cards started operating at the end of this generation, and offered a ton of TCG products from the Sun & Moon era
First pick a theme Add colours that you would like to add to the theme Choose a commander The commander supports the theme and not the other way
Yes, you can always choose to just run one half of the paired commanders in the command zone and the other in the 99 of your Commander deck if the second commander matches the firsts color identity
However, it's worth noting that moderately played (MP) copies of the reverse holo reach heights of $189, while an LP can sell for almost $350
The majority of Commander products have typically come out with either a Standard-legal set or as the years Commander deck (Commander 2019, Commander 2020, etc.)
Even without reaching his ultimate, repeated damage from the +2 ability quickly closes games