You will often catch people out with it as well as they do not expect you to disrupt them with a Stifle effect even if they are expecting countermagic

Agent of Treachery Ancient Tomb Chalice of the Void Channel Chrome Mox Demonic Tutor Disruptor Flute Drannith Magistrate Field of the Dead Force of Will Gideon's Intervention Lutri, the Spellchaser Mana Drain Meddling Mage Natural Order Nexus of Fate Oko, Thief of Crowns Phyrexian Revoker Pithing Needle Runed Halo Sorcerous Spyglass Strip Mine Subtlety Tainted Pact Temporal Manipulation Time Warp Ugin, the Spirit Dragon Wash Away Competitive Brawl Banlist Competitive Brawl gets a separate ban list from Brawl, and here they are: Ajani, Nacatl Pariah / Ajani, Nacatl Avenger Nadu, Winged Wisdom Lutri, the Spellchaser Oko, Thief of Crowns Old Stickfingers Ragavan, Nimble Pilferer Rusko, Clockmaker Tamiyo, Inquisitive Student / Tamiyo, Seasoned Scholar Wrenn and Six Tajic, Legion's Valor Where to Play Brawl The biggest place to play Brawl is MTG Arena, largely because the format includes online-only cards from Alchemy sets
That Gear 5 Luffy you've been watching
That's amazing in going wide brews or stuff with loads of permanents like Voltron or Planeswalkers
If they are already not worth much, then increasing their rate wont make much difference to their value but provides a better experience for those who open packs
Unlike things like Doom Blade, it can destroy them all, and it's a fun, cheap on the market, non-plussed way to start my list