You choose which cards that you are playing from exile as you play them, not as March of Reckless Joy is resolving
There's no doubt that Deadly Rollick is a fair bit more powerful, but Snuff Out does have the upside of not requiring your commander to be on the battlefield in order to cast it for its alternate cost
Related MTG Wilds of Eldraine Virtue and Valor Strategy Virtue and Valor is full of ways to reliably generate cheap creatures and power them up with Enchantments, alongside general boosts to Enchantments that will help generate value
There are a few backup options, but the main one will always be Mind over MatterMind over Matter and Laboratory ManiacLaboratory Maniac
Im looking at you, Brudiclad, Telchor Engineer
B tier cards from Bloomburrow The valiant mice expand on the already strong mono red space, pushing it towards being a heroic style deck