Journey to Eternity // Atzal, Cave of Eternity, Great Whale, and Carrion Feeder

Prerequisites

• Journey to Eternity // Atzal, Cave of Eternity on the battlefield
• Great Whale on the battlefield
• Carrion Feeder on the battlefield
• Journey to Eternity attached to Palimchron
• You must control six lands which can produce 4BG

Steps

1. Sacrifice Great Whale to Carrion Feeder
2. Return Great Whale to the battlefield, and return Journey to Eternity transformed into Atzal, Cave of Eternity
3. Untap lands sufficient to produce 4BG
4. Produce 4BG without activating Atzal
5. Sacrifice Great Whale to Carrion Feeder
6. Activate Atzal's second ability, targeting Great Whale
7. When Great Whale enters the battlefield, untap Atzal and other lands sufficient to produce 4BG
8. Produce 4BG without activating Atzal
9. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinitely large Carrion Feeder
• Infinite sacrifice triggers