Jirina Kudro, Mana Echoes, Pitiless Plunderer, and Altar of Dementia

Prerequisites

• Jirina Kudro in the command zone
• Mana Echoes on the battlefield
• Pitiless Plunderer on the battlefield
• Altar of Dementia on the battlefield
• plus enough mana to pay for commander tax, if applicable, or an additional , or if you haven't cast Jirina from the command zone this game available

Steps

1. Cast Jirina from the command zone by paying plus commander tax, if applicable
2. When Jirina enters the battlefield, it and Mana Echoes trigger
3. Resolve the Jirina trigger, creating a 1/1 Human Soldier creature token for each time you've cast Jirina from the command zone this game
4. When the Human Soldiers enter the battlefield, Mana Echoes triggers that many times
5. Resolve the first Mana Echoes trigger, adding for each Human and Soldier you control
6. Repeat step 5 for each remaining Mana Echoes trigger created in steps 2 and 4
7. Activate Altar of Dementia twice by sacrificing Jirina and a Human Soldier
8. Choose to return Jirina to the command zone from your graveyard
9. When Jirina and the Human Soldier die, Pitiless Plunderer triggers twice, creating two Treasure tokens
10. Holding priority, if you control a Human Soldier, activate Altar of Dementia by sacrificing a Human Soldier
11. If you sacrificed a Human Soldier this way, Pitiless Plunderer triggers, creating a Treasure token
12. Resolve the Altar of Dementia abilities from steps 7 and 10, causing target player to mill cards equal to the sacrificed creatures' combined power
13. Activate up to three Treasures by tapping and sacrificing them, adding any combination of , and
14. Repeat

Results

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