Livio, Oathsworn Sentinel, Great Whale, and Hyrax Tower Scout

Prerequisites

• Livio, Oathsworn Sentinel on the battlefield
• Great Whale on the battlefield
• Hyrax Tower Scout on the battlefield
• Livio does not have summoning sickness
• You control up to seven lands that can tap to produce at least

Steps

1. Activate up to seven mana-producing lands by tapping them, adding at least
2. Activate Livio's first ability twice by paying , exiling Great Whale and Hyrax Tower Scout with aegis counters on them
3. Activate Livio's second ability by paying and tapping it, returning Great Whale and Hyrax Tower Scout from exile to the battlefield
4. Hyrax Tower Scout and Great Whale enter the battlefield, triggering their abilities
5. Resolve the Great Whale trigger, untapping up to seven lands you control
6. Resolve the Hyrax Tower Scout trigger, untapping Livio
7. Repeat

Results

• Infinite blinking
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce