The two cards you put on top of your library can be from the three you just drew or ones that were already in your hand
In Commander, with the 40 life start, and the repeating tutors, its just downright nasty
The card says it has 120 HP, which the Redditors have morphed into being 420 because of the cultural significance of the latter number

Aggravated Assault Akki Battle Squad All-Out Assault Anzrag, the Quake-Mole Aurelia, the Warleader Aurelia, the Warleader Balthier and Fran Bear with Set's Mechanic (playtest) Bloodthirster Breath of Fury Bumi, Unleashed Combat Celebrant Cyclonus, Cybertronian Fighter Fear of Missing Out Finest Hour Full Throttle Fury of the Horde Genji Glove Godo, Bandit Warlord Godo, Bandit Warlord Great Train Heist Grim Reaper's Sprint Hellkite Charger Hexplate Wallbreaker Illusionist's Gambit Karlach, Fury of Avernus Last Night Together Lightning Runner Moraug, Fury of Akoum Najeela, the Blade-Blossom Najeela, the Blade-Blossom Najeela, the Blade-Blossom Obeka, Splitter of Seconds Overpowering Attack Port Razer Raiyuu, Storm's Edge Raph & Leo, Sibling Rivals Raphael, Tag Team Tough Relentless Assault Response // Resurgence Response // Resurgence Savage Beating Scourge of the Throne Secret of Bloodbending Seize the Day Sokenzan Swinging Ship Swinging Ship Take the Bait The Incredible Hulk Throat Wolf (playtest) Tifa, Martial Artist Valor's Reach Waves of Aggression World at War Zariel, Archduke of Avernus omer, Marshal of Rohan

You can also check out their very in-depth guide to Card Condition Standards for more detailed information
But while penning their essays on how Twister might be merely among the top 50 Magic treasures, such pundits have missed the point: twenty-five years of special treatment as a piece of Power have already elevated Timetwister above technically more match-winning cards