Yawgmoth, Thran Physician, Fiend Hunter, Karmic Guide, and Soul's Attendant

Prerequisites

• Yawgmoth, Thran Physician on the battlefield
• Fiend Hunter in hand
• Karmic Guide on the battlefield
• Soul's Attendant on the battlefield
• available

Steps

1. Cast Fiend Hunter by paying
2. Fiend Hunter enters the battlefield, triggering itself and Soul's Attendant
3. Resolve the Fiend Hunter trigger, exiling Karmic Guide
4. Resolve the Soul's Attendant trigger, causing you to gain 1 life
5. Activate Yawgmoth by paying 1 life and sacrificing Fiend Hunter
6. Fiend Hunter triggers, returning Karmic Guide from exile to the battlefield
7. Karmic Guide enters the battlefield, triggering itself and Soul's Attendant
8. Resolve the Karmic Guide trigger, returning Fiend Hunter from your graveyard to the battlefield
9. Fiend Hunter enters the battlefield, triggering itself and Soul's Attendant
10. Resolve the Fiend Hunter trigger, exiling Karmic Guide
11. Resolve both remaining Soul's Attendant triggers, causing you to gain two life
12. Resolve the Yawgmoth ability from step 5, putting a -1/-1 counter on up to one creature and drawing a card
13. Repeat from step 5

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite -1/-1 counters
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite lifegain triggers
• Near-infinite LTB
• Near-infinite sacrifice triggers