Inalla, Archmage Ritualist, Barrin, Master Wizard, Great Whale, and Xenograft

Prerequisites

• Inalla, Archmage Ritualist on the battlefield or in the command zone
• Barrin, Master Wizard on the battlefield
• Great Whale in hand
• Xenograft on the battlefield
• You control up to seven lands that can tap to produce at least
• "Wizard" chosen with Xenograft
• available

Steps

1. Activate up to seven lands by tapping them, adding at least
2. Cast Great Whale by paying
3. When Great Whale enters the battlefield, it and Inalla trigger
4. Resolve the Great Whale trigger, untapping up to seven lands
5. Activate up to seven lands by tapping them, adding at least
6. Resolve the Inalla trigger, causing you to pay to create a token copy of Great Whale
7. When the Great Whale token enters the battlefield, it triggers, untapping up to seven lands
8. Activate Barrin by paying and sacrificing the Great Whale token, returning the nontoken Great Whale from the battlefield to your hand
9. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce
• Infinite sacrifice triggers
• Infinite storm count
• Infinite untap of lands you control