Having the right number of spells that can search up lands and mana-producing permanent cards is vital in hitting your land drops and casting your larger creatures on-curve
Orcish Bowmasters - One of the most hyped cards in the set due to its potential in multiple formats
That being said, I think the reasons for a card being banned can be broken down into two main categories: A card is too powerful on its own and almost every deck has to have it to be good
Commander Deck includes 1 deck of 100 Magic cards (98 nonfoil cards and 2 Traditional Foil Borderless Legendary cards), 10 Archenemy cards, a 2-card Collector Booster Sample Pack (contains 1 Traditional Foil or nonfoil alt-border card of rarity Rare or higher and 1 Traditional Foil Uncommon card), 10 double-sided tokens, 1 deck box (can hold 100 sleeved cards), 1 Life Wheel, 1 strategy insert, and 1 reference card
Becoming a 6/6 in the late game is nice, but I doubt that Gigantoad will make the cut all that often
However, Narset, Enlightened Masters ability makes it so that you pretty much become forced to either play or lose your cards