Nim Deathmantle, The Master of Lake-town, Carrion Feeder, and Mind Over Matter

Prerequisites

• Nim Deathmantle on the battlefield
• The Master of Lake-town on the battlefield
• Carrion Feeder on the battlefield
• Mind Over Matter on the battlefield

Steps

1. Activate Carrion Feeder by sacrificing The Master of Lake-town
2. When The Master of Lake-town dies, it and Nim Deathmantle trigger
3. Resolve the Master of Lake-town trigger, drawing a card for each graveyard that has seven or more cards in it
4. Holding priority, activate a mana-producing permanent by tapping it, adding at least
5. Activate Mind Over Matter by discarding a card, untapping the mana-producing permanent Repeat steps 4 and 5 until you have or more available
6. Resolve the Nim Deathmantle trigger, causing you to pay to return The Master of Lake-town from your graveyard to the battlefield and attaching Nim Deathmantle to it
7. Resolve the Carrion Feeder ability
8. Repeat

Results

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite death triggers
• Near-infinite sacrifice triggers