Beacon of Immortality, Bolas's Citadel, and Thought Lash

Prerequisites

• Beacon of Immortality in hand or in the library
• Bolas's Citadel on the battlefield
• Thought Lash on the battlefield
• available

Steps

1. Activate Thought Lash by exiling the top card of your library
2. Repeat step 1 until you either exile your library or have Beacon of Immortality on top of your library
3. Resolve all Thought Lash abilities
4. Cast Beacon of Immortality either from your hand by paying or from the top of your library by paying 6 life, doubling your life total and shuffling it into your library
5. If Beacon of Immortality is not on top of your library, repeat from step 1
6. Otherwise, repeat step 4

Results

• Exile your library
• Infinite lifegain
• Infinite lifegain triggers
• Infinite magecraft triggers
• Infinite storm count