Two things keep this from being a fire sale
Coming down as a hasty 5/5 for means you can deal some damage right away, but its the random options that can truly swing a game: putting three +1/+1 counters on target creature, putting a shield counter on target creature and gaining three life, or fighting another target creature a foe controls
For that alone it has to be mentioned
You also wont be forced to play one or two drops that dont fit your strategy just for the sake of cheapening your late game cards
A giant 9/9 flyer that can destroy permanents and then nukes your opponents as it dies
Commander, previously (and still in some circles) known as Elder Dragon Highlander, is a popular MTG format in which players use carefully-designed, 100-card singleton decks, headed up by a powerful Commander