All Will Be One, Vraska, Swarm's Eminence, Starfield of Nyx, and Basilisk Collar

Prerequisites

• All Will Be One on the battlefield
• Vraska, Swarm's Eminence on the battlefield
• Starfield of Nyx on the battlefield
• Basilisk Collar on the battlefield
• You have a way to place a counter on a permanent or player
• You control at least five enchantments
• Basilisk Collar attached to All Will Be One

Steps

1. Place a counter on a permanent or player
2. All Will Be One triggers, dealing 1 damage to an opponent and causing you to gain 1 life
3. Vraska triggers, putting a +1/+1 counter on All Will Be One
4. Repeat from step 2

Results

• Infinite +1/+1 counters on All Will Be One
• Infinite damage
• Infinite lifegain
• Infinite lifegain triggers