Havi, the All-Father, The Jolly Balloon Man, and Ashnod's Altar

Prerequisites

• Havi, the All-Father on the battlefield
• The Jolly Balloon Man on the battlefield
• Ashnod's Altar on the battlefield
• undefined available

Steps

1. Activate The Jolly Balloon Man by paying and tapping it, targeting Havi
2. Holding priority, activate Ashnod's Altar by sacrificing The Jolly Balloon Man, adding
3. Resolve the Jolly Balloon Man ability, creating a token copy of Havi that is a 1/1 Balloon
4. Put the Havi token into your graveyard due to the legend rule
5. When the Havi token dies, it triggers, returning The Jolly Balloon Man from your graveyard to the battlefield
6. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana