Grenzo, Dungeon Warden, Kiki-Jiki, Mirror Breaker, Swiftgear Drake, Pitiless Plunderer, and Thermopod

Prerequisites

• Grenzo, Dungeon Warden on the battlefield
• Kiki-Jiki, Mirror Breaker on the battlefield
• Swiftgear Drake on the battlefield
• Pitiless Plunderer on the battlefield
• Thermopod on the battlefield

Steps

1. Activate Kiki-Jiki by tapping it, targeting Swiftgear Drake
2. Holding priority, Activate Thermopod's second ability by sacrificing Kiki-Jiki, adding
3. When Kiki-Jiki dies, Pitiless Plunderer triggers, creating a Treasure token
4. Resolve the Kiki-Jiki ability, creating a token copy of Swiftgear Drake
5. When the Swiftgear Drake token enters the batlefield, it triggers, putting Kiki-Jiki on the bottom of your library from your graveyard
6. Activate the Treasure by tapping and sacrificing it, adding
7. Activate Grenzo by paying , putting Kiki-Jiki into your graveyard from the bottom of your library, and then putting it onto the battlefield
8. Repeat

Results

• Infinite colored mana
• Infinite creature tokens with haste
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite self-mill
• Infinite Treasure tokens