Eternal Witness, Sevinne's Reclamation, Phyrexian Altar, Pitiless Plunderer, and Pawn of Ulamog

Prerequisites

• Eternal Witness in the graveyard
• Sevinne's Reclamation in hand
• Phyrexian Altar on the battlefield
• Pitiless Plunderer on the battlefield
• Pawn of Ulamog on the battlefield
• available

Steps

1. Cast Sevinne's Reclamation by paying , returning Eternal Witness to the battlefield
2. Eternal Witness enters the battlefield, returning Sevinne's Reclamation from your graveyard to your hand
3. Activate Phyrexian Altar by sacrificing Eternal Witness, adding
4. Pitiless Plunderer and Pawn of Ulamog triggers
5. Resolve the Pitiless Plunderer, creating a Treasure token
6. Resolve the Pawn of Ulamog trigger, creating a 0/1 Eldrazi Spawn creature token
7. Activate a Treasure token by tapping and sacrificing it, adding one mana of any color
8. Activate Eldrazi Spawn by sacrificing it, adding
9. Pitiless Plunderer triggers, creating a Treasure token
10. Repeat any number of times
11. Once you have infinite Treasure tokens, you may repeat this loop spending mana from Treasures instead of Eldrazi Spawns in step 8, giving you infinite Eldrazi Spawn tokens

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite creature tokens with 0 power
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite sacrifice triggers
• Infinite storm count
• Infinite Treasure tokens