Uro, Titan of Nature's Wrath, Amulet of Vigor, Simic Growth Chamber, and Ezzaroot Channeler

Prerequisites

• Uro, Titan of Nature's Wrath in the command zone
• Amulet of Vigor on the battlefield
• Simic Growth Chamber in hand
• Ezzaroot Channeler on the battlefield
• The amount of life you have gained this turn is equal to or greater than your command tax plus one

Steps

1. Play Simic Growth Chamber
2. Simic Growth Chamber enters the battlefield, triggering itself and Amulet of Vigor
3. Resolve the Amulet of Vigor trigger, untapping Simic Growth Chamber
4. Activate Simic Growth Chamber by tapping it, adding
5. Resolve the Simic Growth Chamber trigger from step 2, returning it from the battlefield to your hand
6. Cast Uro from the command zone by paying
7. Uro enters the battlefield, triggering its first and second abilities
8. Resolve the first Uro trigger, causing you to sacrifice it
9. Choose to return Uro to the command zone from your graveyard
10. Resolve the second Uro trigger, causing you to gain three life, draw a card, and put Simic Growth Chamber from your hand onto the battlefield
11. Repeat from step 2

Results

• Infinite card draw
• Infinite draw triggers
• Near-infinite commander casts
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite landfall triggers
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite LTB
• Near-infinite sacrifice triggers