While this does combine them into one card and gives flexibility, it's not at the level of [[Denry Klin, Editor in Chief]]
Depending on the type, each set will normally have its own theme, either based around a particular fictional setting in the lore, or perhaps tailored to one particular mode of play, like the Commander or Modern formats
However, it becomes excellent when paired with Mufasa, Betrayed Leaders ability, The Sun Will Set, which means that when this card is banished players can reveal the top of their deck and play it for free if its a character
If Kozilek is countered or otherwise leaves the stack in response to that triggered ability, the triggered ability will resolve as normal
And you can easily overwhelm a table with a huge army of tokens plus some heroic triggers and other anthem effects