Cards such as Tireless Provisioner and Academy Manufactor help to easily get you more tokens, and there are plenty of ways to get Treasure tokens as well to help ramp you into your powerful spells and permanents
Targeted effects like Thoughtseize and Inquisition of Kozilek suddenly can't pick apart your hand on turn one, burn spells aimed at your face have to find a new destination, and certain combo decks that need to target a player in order to win now have to awkwardly find another win condition
So, the majority of the time, Alice is going to be a more expensive Elsa - Snow Queen
The cards represent lands and spells
The combo of Eldrazi Displacer and Brood Monitor lets you create unbounded numbers of enters-the-battlefield and dies triggers by using the tokens Brood Monitor creates to repeatedly flicker out Brood Monitor
At one point in my games, my Yshtola opponent ended up with 50 health, as opposed to everyone else being in the low 20s