While this can be powerful if your opponent has their hand full, you generally dont want to root for them to keep drawing more, even if it does power up Sisu
Madam Mim, Foxs Chasing the Rabbit ability allowed me to return a character from the board to my hand, which meant I could bring back damaged ones or trigger powerful effects from cards entering the battlefield over and over - when Merlin, Goat, which gains a lore each time it enters and leaves the battlefield, turns up you can see where the game really starts
It also lets you choose one of your opponents characters to banish
We also get a glimpse at the Megabot item that allows you to banish items or damaged characters
Players have found success with Cogsworth , of all characters, as he is usually used to challenge and banish characters thanks to his increase in strength if you have an item in your discard pile
However, it is slightly more restrictive than you think