Yawgmoth, Thran Physician + Nest of Scarabs + Nadier's Nightblade

Prerequisites

• Your life total is at least 2.
• You control at least one additional creature.
• There is at least one other creature on the battlefield.

Steps

1. 1Activate Yawgmoth by paying 1 life and sacrificing a creature token
2. 2When the creature token dies, Nadier's Nightblade triggers, causing you to gain 1 life and each opponent to lose 1 life.
3. 3Resolve the Yawgmoth ability, putting a -1/-1 counter on any other creature and causing you to draw a card.
4. 4If the creature who had the counter placed has 0 toughness, it dies as a state-based action.
5. 5Nest of Scarabs triggers, creating a 1/1 Insect creature token.
6. 6Repeat until your opponents do not control any more creatures, or until you draw your library.
7. 7If you have cards remaining in your library, you may repeat this combo any time a creature enters the battlefield under an opponent's control.

Effects

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