Not only do we use our experiences to know what mechanics and designs work best, but we can reuse discarded ideas in different contexts where they function better
If you cast an instant or sorcery spell that has multiple targets, but it's targeting only Zada with all of them, Zada's ability will trigger
Each time you cast your first spell during an opponents turn, you can exile the top card of that opponents library, exile it, and play it for as long as it remains exiled
Whenever you roll a 4, you may tap or untap target artifact or creature
Once its flipped over to that land side, you can wait for the right moment to throw a counter on your board of flyers to help them pack even more of a punch
Bottom-up is when we start with a mechanic that we want to bring into the game and then find the best song name or lyric from those highlighted stories to name it