This multiplies the monitoring coverage because each person can focus on different products or retailers
The main goal of Mono-Red Kiln Fiend is to basically build our own version of Temur Battle Rage with the combination of Crash Through and Uncaged Fury, which, with one additional spell (like Rimrock Knight, Shock, or Warlord's Fury), should make for a lethal, trampling Kiln Fiend
This means you can safely spend most of your mana to put you further ahead
Sacrifice fodder often comes as tokens, especially from cards like Jadar, Ghoulcaller of Nephalia that produce them each turn
It had ten counterspells in there to stop anyone doing anything I didn't like
5 Bothersome Quasit Bothersome Quasit provides tons of value, even if youre not playing a ton of other goad spells in your deck