Brokkos, Apex of Forever, Infested Thrinax, Pitiless Plunderer, and Altar of Dementia

Prerequisites

• Brokkos, Apex of Forever on the battlefield
• Infested Thrinax in hand
• Pitiless Plunderer on the battlefield
• Altar of Dementia on the battlefield
• available

Steps

1. Cast Infested Thrinax by paying
2. When Infested Thrinax enters the battlefield, it triggers, causing you to create a number of 1/1 Saproling creature tokens when a nontoken creature you control dies
3. Activate Altar of Dementia by sacrificing Brokkos
4. When Brokkos dies, Infested Thrinax and Pitiless Plunderer trigger
5. Resolve the Infested Thrinax trigger, creating six 1/1 Saproling creature tokens
6. Resolve the Pitiless Plunderer trigger, creating a Treasure token
7. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Brokkos's power
8. Activate Altar of Dementia four times by sacrificing four Saprolings
9. When the Saprolings die, Pitiless Plunderer triggers four times, creating four Treasure tokens
10. Resolve the Altar of Dementia abilities, causing target player to mill cards equal to the Saprolings' power
11. Activate five Treasures by tapping and sacrificing them, adding
12. Cast Brokkos from your graveyard for its mutate cost by paying , putting it on top of a Saproling
13. Repeat from step 3

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite mill
• Infinite self-mill
• Infinite storm count
• Infinite creature tokens
• Infinite Treasure tokens