The daily game is 'Lifestyle' play. If you start a short-term game, that's a 'Duel'. You draw and play a new hand every Duel. However, you also have a 'Lifestyle Bank' that you maintain for Lifestyle play. You draw cards for that every day and keep them indefinitely until playing them.
During a Duel, on your turn, you can play rules and toys by themselves (they persist for three rounds by default). Alternately, you can attach them to a Challenge and they apply until the Challenge is completed.
During Lifestyle play (during the day) you can play a Challenge card with rules and toys attached. All of the attached cards apply until the Challenge is completed, just like in a Duel. In Lifestyle play, though, you can't play rules and toys by themselves - they have to be attached to a Challenge.
Whenever you play a toy or rule, in a Duel or during Lifestyle play, you can attach one or more modifiers to it. EDIT: Also, there are some modifiers that you play on your opponent's cards. You can throw those down any time if you have them.
During a Duel, you can play Game Changers. Currently they just apply to you, but alternately they could apply to both players. During Lifestyle play you can discard two Game Changers to draw another card to your Lifestyle bank. When you start a Duel, you can replace any number of cards in your starting hand with Game Changers from your Lifestyle bank.
I actually wrote up several Challenges and just forgot to make them into cards. The template even has a BG image for them. I'll put them together real quick. I'm not as solid on those, though. I feel like there's something missing from the design approach.
Please note, I'm not the original designer of these rules. This is my take on them, including a few additions and clarifications like transitioning from Lifestyle to Duels, etc.
Also thanks to everyone who likes the design
