There are a ton of good cards which can incidentally gain life for just playing normally, both in black and white and with significant overlap into neighboring themes like cats or sacrifice
(Not-Red) Ikra Shidiqi, the Usurper & Ishai, Ojutai Dragonspeaker Building a Doran or Arcades toughness matters deck was on my backlog for a long time, but I never could choose which one to do it with
Ingenious Mastery is my next favorite

Booster Packs: 326 Rare 3.07% Pull Rate 10 / 326 Rare 3.07% Pull Rate 10 / 326 Super Rare 3.37% Pull Rate 11 / 326 Legendary 1.84% Pull Rate 6 / 326 Rare 1.53% Pull Rate 5 / 326 Rare 3.99% Pull Rate 13 / 326 Legendary 0.61% Pull Rate 2 / 326 Super Rare 3.99% Pull Rate 13 / 326 Rare 2.45% Pull Rate 8 / 326 Super Rare 3.37% Pull Rate 11 / 326 Rare 5.83% Pull Rate 19 / 326 Rare 3.37% Pull Rate 11 / 326 Rare 3.07% Pull Rate 10 / 326 Super Rare 3.37% Pull Rate 11 / 326 Super Rare 3.07% Pull Rate 10 / 326 Legendary 2.15% Pull Rate 7 / 326 Super Rare 2.76% Pull Rate 9 / 326 Legendary 0.92% Pull Rate 3 / 326 Rare 2.45% Pull Rate 8 / 326 Rare 3.07% Pull Rate 10 / 326 Rare 3.68% Pull Rate 12 / 326 Rare 3.68% Pull Rate 12 / 326 Rare 2.15% Pull Rate 7 / 326 Rare 3.68% Pull Rate 12 / 326 Rare 5.52% Pull Rate 18 / 326 Rare 1.84% Pull Rate 6 / 326 Rare 3.07% Pull Rate 10 / 326 Super Rare 3.68% Pull Rate 12 / 326 Rare 3.37% Pull Rate 11 / 326 Super Rare 2.15% Pull Rate 7 / 326 Legendary 1.23% Pull Rate 4 / 326 Rare 3.99% Pull Rate 13 / 326 Rare 1.53% Pull Rate 5 / 326 Rare 3.37% Pull Rate 11 / 326 Super Rare 3.07% Pull Rate 10 / 326 Rare 3.68% Pull Rate 12 / 326 Legendary 2.15% Pull Rate 7 / 326 Rare 2.76% Pull Rate 9 / 326 Rare 1.84% Pull Rate 6 / 326 Super Rare 3.07% Pull Rate 10 / 326 Rare 3.07% Pull Rate 10 / 326 Legendary 1.53% Pull Rate 5 / 326 Legendary 1.53% Pull Rate 5 / 326 Super Rare 3.07% Pull Rate 10 / 326 Rare 1.84% Pull Rate 6 / 326 Rare 4.29% Pull Rate 14 / 326 Rare 2.45% Pull Rate 8 / 326 Super Rare 2.45% Pull Rate 8 / 326 Rare 3.07% Pull Rate 10 / 326 Rare 3.37% Pull Rate 11 / 326 Rare 2.76% Pull Rate 9 / 326 Rare 3.68% Pull Rate 12 / 326 Rare 2.76% Pull Rate 9 / 326 Legendary 1.23% Pull Rate 4 / 326 Rare 4.91% Pull Rate 16 / 326 Rare 3.07% Pull Rate 10 / 326 Rare 3.37% Pull Rate 11 / 326 Super Rare 2.45% Pull Rate 8 / 326 Super Rare 2.76% Pull Rate 9 / 326 Super Rare 2.45% Pull Rate 8 / 326 Rare 2.45% Pull Rate 8 / 326 Rare 2.45% Pull Rate 8 / 326 Rare 2.45% Pull Rate 8 / 326 Legendary 2.76% Pull Rate 9 / 326 Rare 2.15% Pull Rate 7 / 326 Rare 3.99% Pull Rate 13 / 326 Rare 3.07% Pull Rate 10 / 326 Rare 2.45% Pull Rate 8 / 326 Super Rare 2.15% Pull Rate 7 / 326 Legendary 1.23% Pull Rate 4 / 326 Rare 2.76% Pull Rate 9 / 326 Rare 3.68% Pull Rate 12 / 326 Legendary 1.23% Pull Rate 4 / 326 Super Rare 3.37% Pull Rate 11 / 326 Super Rare 2.76% Pull Rate 9 / 326 Rare 2.45% Pull Rate 8 / 326 Rare 3.68% Pull Rate 12 / 326 Rare 3.07% Pull Rate 10 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0.31% Pull Rate 1 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0.31% Pull Rate 1 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Enchanted 0% Pull Rate 0 / 326 Super Rare 0% Pull Rate 0 / 326

And, sure, this kind of play pattern will absolutely paint a huge target on your back, but when you're out there representing a Phyrexian Praetor, playing nice was never really part of the game plan
There are a number of styles out there that folks are playing, but away from the competitive Constructed tables, what is the best