When you have no cards in your hand, drawing a split card has a good chance of saving you from a bad spot
Or just vast amounts of mana ramping
6 Red-White-Black Mardu Red, white, and black Treasure Commander decks are best at transforming Treasure tokens into creatures, animating an entire horde of artifacts that can swing to attack for lethal damage
You can manage your opponent with things like Bushwhack, Excavation Explosion, Fog of War, and Fade from History, which gives you enough time to stock up on those Powerstone tokens
If Weeping Angel would deal combat damage to a creature, prevent that damage and that creature's owner shuffles it into their library
They often employ Food Chain + Misthollow Griffin to generate infinite mana and draw their deck with Atraxa