Sheoldred, the Apocalypse + Lich's Mastery

Sheoldred, the Apocalypse
Lich's Mastery

Requires
Sheoldred, the Apocalypse must be on the battlefield. Lich's Mastery must be on the battlefield. You have a way to draw a card.
Steps
  1. Draw a card.
  2. Sheoldred's first ability triggers, causing you to gain two life.
  3. Lich's Mastery's first ability triggers, causing you to draw two cards.
  4. Repeat from step 2.
Results
Infinite card draw. Infinite draw triggers. Near-infinite lifegain. Near-infinite lifegain triggers.