So why isn't Lorehold, the Historian a great commander that just happens to be a dragon
Receive cards from the player on your right
While getting benefits from creatures dying is the default Orzhov strategy, as seen with Elenda, the Dusk Rose and Teysa Karlov, even these legendary creatures go above and beyond to either support creature tokens directly or develop a powerhouse creature that can neither be left unchecked nor allowed to die
A burn spell typically has high range with a low effectiveness while black removal typically has limited range but high effectiveness in actually removing the target
If the Food token you created or the cards you exiled from your graveyard caused any abilities to trigger, those abilities won't go on the stack until after Insatiable Frugivore's first ability has finished resolving
Plus, these versions of Urza and Mishra also get the typical extended-art treatment (using the modern Magic frame) in The Brothers' War Collector Boosters