While the types of value gained through doing so vary greatly based on one's commander, Cheerios decks are often incredibly efficient and consistent, as they care less about what their zero-mana spells do, and more about how their commander is rewarding them for play so many free spells
But if your opponents happen to have arbitrarily large life totals-not unheard-of in Commander-its nice that there are Snake cards that can dish out poison counters to keep us on the tribal theme while giving us another angle of attack
Is it possible to "double up" on an attack effect
Search your library, your collection, and all of Magic by name, color, type, or even by vibe cheap blue card draw or graveyard hate for my Golgari deck then add what you find with a tap
If that's not the trademark of an impossibly good thief, I don't want to know what is