It reminds me of the choice players had to make with Attune with Aether where you need to get the right basic (Yes, I know the energy decks from Kaladesh were busted), especially in the 4C Energy deck
Also, when people refer to bulk, they generally mean unwanted common cards that they have no use for because they have so many
(4/4/2025) If the destroyed permanent's controller chooses to cast the exiled card without paying its mana cost, they can't choose to cast it for any alternative costs
Outside of exiling cards and permanents, Ulamog, the Ceaseless Hunger serves as a solid threat, and coming with indestructible, it can make it tricky to remove in Commander
Squirrels have a few typal lords to draw from, and some token generators too