Teferi, Who Slows the Sunset, Felidar Guardian, and Deadeye Navigator

Prerequisites

• Teferi, Who Slows the Sunset on the battlefield
• Felidar Guardian on the battlefield
• Deadeye Navigator on the battlefield
• You control an artifact, a creature, and/or a land that can tap to produce at least
• Deadeye Navigator is paired with Felidar Guardian

Steps

1. Activate a mana-producing artifact, creature, and/or land by tapping them, adding at least
2. Activate Teferi's first loyalty ability by putting a loyalty counter on it, untapping the mana-producing permanents and causing you to gain two life
3. Activate Felidar Guardian by paying , blinking itself
4. Felidar Guardian enters the battlefield, triggering itself and Deadeye Navigator's soulbond ability
5. Resolve the Felidar Guardian trigger, blinking Teferi
6. Resolve the Deadeye Navigator trigger, repairing it and Felidar Guardian
7. Repeat

Results

• Infinite blinking
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite mana permanents you control can produce