With a few token doublers (Elspeth from Tarkir: Dragonstorm is particularly good here) it put in the work, but you'll need to spend a lot of time building up your mana first
This precon's win condition is entirely just "beat your opponent to death with tiny flying spirits." Now a bunch of 1/1 flyers aren't going to get the job done by themselves but they are prime candidates to anthem effects, and the precon gives two good ones: Mirror Entity and Drogskol Reinforcements
Here are all the new Transformers Magic: The Gathering Universes Beyond cards coming in the next set and everything we know about them so far
Or if your opponent is in red or green, which have the fight type spells such as Ram Through and Go for Blood, you want a toughness that is higher than your opponent's highest power
Mime is very likely to be from the same print run as a few other matte vending cards that have surfaced:
When it's defeated, exile it, then cast it transformed.) When Invasion of Dominaria enters the battlefield, you gain 4 life and draw a card