Lay out a charcuterie with Bitterbloom Bearer, Sedgemoor Witch, or Sprout Swarm
Suture Priest + Blood Seeker Ive put Suture Priest and Blood Seeker together as functionally identical reverse impact cards, because they only reduce life totals when opposing creatures enter the battlefield
You might think this means you'll be idle for most of the game when it's not your turn, but you'll have plenty of creature abilities to manage that can be activated as needed to ensure your opponents don't forget you're sitting at the table
Art by: Daniel Deng Barret, Avalanche Leader : 1 - Mana: Black (Darkness), Red (Fire) and Green (Life) Legendary creature -- Human Warrior Reach Whenever a creature deals combat damage to you, put a limit counter on Barret, Avalanche Leader
The controller of the phenomenon card is always the active player