Decks are built around factions , each with its own gimmicks control, swarm, engines, or disruption
Oloro is definitely a bit of an older Commander, as his precon came out almost 13 years ago , and while you can definitely build a lifegain strategy around him, I actually like that you can include him in various other Esper decks
Of course card draw is not always the regular card draw everyone has in mind, where you put a number of cards from your library into your hand, but appears in other forms or abilities the most common of which are: Impulse draw: Exiling cards from the top of the library to cast them for a limited time period
Nissa planeswalkers have a very cohesive mechanical identity built around lands, which youd expect from an elf with green magic
And not to bury the lede, but Toski is also obnoxiously difficult to remove
This is a very powerful, aggressive, and value-heavy deck that is a ton of fun to play