A spell cast for its madness cost is put onto the stack like any other spell
On creature-heavy decks you should run fewer board wipes because you dont want to clear your own board too often (about 2-3 seem enough, unless they are one-sided where you can add more without hurting your own strategy) while on creature-light decks you need more (about 4-5 is a good number)
Lands on the other hand are plentiful with 90 of them, but don't let that stifle your creativity
Many experiments were attempted and discarded, including an early version that had Lorcana feeling more like what Miller describes as a coding game. Another tried to play up a good-versus-evil bent
Think Angel of the Ruins, Krosan Tusker, Striped Riverwinder, and Shefet Monitor
It's not super flashy, but it's a great piece to the puzzle for decks looking for this kind of effect