Like with Aminatou, you can rescue a permanent thats been stolen by another player (take that, Bribery!), and you can do all the same tricks
Then, you need to get your high-cost cards like Maui, Demigod, and Simba, Rightful Heir on the board right away, before your opponent has enough ink to answer them
2000 Janosch Khn Deck List: Stone Rain only from Classic Edition (no Mercadian Masques)
And that -2 is good on its own too, as having Ashiok come down and make those two bodies will often do enough to keep Ashiok around for a while, especially because those tokens are just going to grow every turn going forward and they do it during combat so it will happen quickly
If Vesuvan Shapeshifter copied some creature phases out, it remains a copy of this creature until it leaves the battlefield or turned face down
This four-drop flash Aura in Blue is great at that