Of course, you need a sacrifice outlet for Sun Titan (preferably one that helps you win the game) but thats not so hard to do
When it comes to resilience, how is skipping out on commander tax thanks to its special commander ninjutsu ability
Nissa, Vital Force Nissa, Vital Force has always stood out as a prominent planeswalker in my mind because you can ultimate it the turn after you play, or even sooner with cards like Pir, Imaginative Rascal
Mostly, this gives you a Zombie at the end of your turn if you lost 2 or more life, and losing life on your own turn isnt something that will just happen -- youll have to create situations to make that part work, and even though Black is always capable of doing that in Limited, it is highly unlikely you get a critical mass of those cards going that allows you to consistently make a Zombie, and you probably need to get at least two out of this for it to feel worth it
We saw Desecration Demon dominate Standard during the days of Mono-Black Devotion, and it didnt have trample and could also be tapped down