They need a higher density of threats or ways to refill in order to keep up with the early interruption
Decks like Snorlax Stall have been anti-meta threats for a long time, and Froslass/Venomoth item lock is an infuriating strategy to face
The plot ability is interesting too, perhaps allowing you to save the card for the right moment, where you have spells in hand that can make the most of the prowess MTG keyword
This means you can surprise your opponent with Junji, the Midnight Sky for four mana instead of playing it normally at six
Players decide in turn order, starting with the active player (or the next opponent in turn order if the active player isn't sacrificing anything), which permanent(s) they will sacrifice
Some of the most powerful and popular mono-white legendary creatures allow Commander deckbuilders to run a remarkable variety of strategies based on +1/+1 counters, typal effects, gaining life, creating creature tokens, and much more