Bitterbloom Bearer makes for a good Headliner as a callback to Bitterblossom
In fact, we have so much good reanimation options, I decided to explore this theme further and realized we also have some great ways to get our creatures into the graveyard: theres Buried Alive to tutor them directly into the yard, huge draw options like Necrologia to discard them down to hand size, sacrifice outlets like Greater Good that can also draw oodles of cards, and even Red is contributing here with Sneak Attack to cheat out big creatures from our hand
Ultimately, the ideal land count depends on your deck's specific needs, but 3839 lands is a solid starting point for most Commander decks
1 Greedy Freebooter An Unwilling Martyr For The Aristocrats Cause The Lost Caverns of Ixalan has a higher density of cards that reward you for trading in your unsuspecting followers than usual, and all of those cards desperately need good, cheap fuel in order to function
Tapping an untapped creature that's attacking or blocking to convoke a spell won't cause that creature to stop attacking or blocking
Breeches, the Blastmaker Breeches, the Blastmaker gives the gambling soul a crack at copying spells