Gnostro, Voice of the Crags, Eligeth, Crossroads Augur, The Locust God, and Intruder Alarm

Prerequisites

• Gnostro, Voice of the Crags in hand
• Eligeth, Crossroads Augur in hand
• The Locust God in hand
• Intruder Alarm in hand
• You've cast at least one spell this turn
• Gnostro does not have summoning sickness

Steps

1. Activate Gnostro by tapping it, causing you to draw at least one card due to Eligeth
2. The Locust God triggers for each card drawn this way
3. Resolve the first Locust God trigger, creating a 1/1 Insect creature token with flying and haste
4. When the Insect enters the battlefield, Intruder Alarm triggers, untapping all creatures
5. Repeat from step 3 for each remaining trigger, if applicable
6. Repeat from step 1
7. If you have cast two or more spells this turn, you will get extra Intruder Alarm triggers, and in-between resolving them you may tap Gnostro to gain life and/or deal damage to creature(s)

Results

• Infinite card draw
• Near-infinite lifegain
• Near-infinite lifegain triggers
• Near-infinite ETB
• Infinite draw triggers
• Near-infinite untap of all creatures
• Near-infinite creature tokens with haste