We don't have a single card that costs more than two mana, so we can get by with playing only 19 lands, with the idea being that we'll flood the board with cheap but powerful Humans, pump them up with cards like Thalia's Lieutenant and Honor of the Pure, and hopefully close out the game before our opponent gets a chance to recover with their more powerful (and likely more expensive) cards
It doesn't hurt that ol' Scarab God will scry to help find even more awesome targets
To me, Commander is less of a format, and more like a framework
Hybrid's use in these sets doesn't innovate much on hybrid, mostly finding good overlap space
3 Shadowheart, Dark Justician Shadowheart, Dark Justician is one of the newer commanders on this list and has a number of Backgrounds to choose from
Compared to devotion, chroma cared about colored symbols on cards but wasnt tied to permanents in play and counted symbols in your graveyard, in exile, etc., whereas devotion only counts the permanents you control on the battlefield