The Virtue of Randomness in Procedural Games

I think one of the things that is sort of fascinating about when you add randomness to games is how it affects the kind of effective power levels of players. One thing that I've noticed in playing a lot of key forage is that the decks sometimes start to feel like there's a little bit of a rock paper scissors mechanic with a deck that's really strong against creatures and has great artifacts. But then there are decks that are sort of at a vaguely lower power level. And so I was wondering if you could talk a little bit about what your approaches were for kind of managing the array of power levels. Also about the chaining mechanic, which is both in the game as an effect