Competitive Magic often runs on very thin margins, and small sources of card advantage like a two-for-one trade or blanking an opponent's card can easily be the difference between a loss and a win
Proliferate is already a mechanic that's heavily associated with Phyrexia, and with saga counters, shield counters, stun counters, and poison counters all in Standard right now, the groundwork has definitely been laid for it to make a comeback
So its not just that she hits and the game ends, but when they cast some foolishness ad get in, then cast Time Warp for three extra turns, well, itll feel like the game is over
Not only do they help you find exactly the right tool for the job at hand, they also act as extra copies of your most important cards
Aura of Silence [Best Tax and Removal Enchantment in White] Aura of Silence makes life miserable for artifact and enchantment decks