For example, you can't use Muldrotha to play a land if you don't have an available land play or to cast a planeswalker spell during your end step
HIGH-QUALITY COMPONENTS: Contains 1 starter deck of 60 cards (including 2 foil cards), 11 damage counters, 1 paper playmat, 1 paper tracker token, 1 Quick Start Rules sheet, and 1 BONUS booster pack of 12 randomized cards
Some other worthwhile considerations include Raya, Unstoppable Force
They just so happen to also be creatures that can attack
What I mean by that is that you then have objectives youre given, if you manage to achieve them then you add more cards, and mechanics in pack-by-pack
The final piece of creating the groundwork for the set included a long list of concepts that I built the initial set file around and handed off to Gavin's team for future reference