Innistrad's distinctive tribal appeal and the large amount of humans in the deck (29 in total, plus other cards that specifically support this tribe, such as Herald of War) lead us to instinctively conclude that this is about a classic aggressive tribal, but there's more tech here than just playing the creatures, pumping them and attacking
Nadier, Agent of the Duskenel Nadier, Agent of the Duskenel creates an interesting loop where tokens you make and sacrifice or kill in combat buff it, and when this black commander leaves, you get to make a lot of tokens
Elementals can get pretty pricey, so 5 mana is often a cost reduction, and at instant speed, you can pull a lot of surprises outside your turn
GW had a few good Constructed and Limited decks with the mechanic, and the theme was also supported in WB as well
Its not the fastest, but Mardu and Jeskai can beat down, with Temur able to rumble too
Cone of Flame first came out in Weatherlight and was just designed as a cool direct-damage variant, one where you damaged three different things each with a different amount of damage