Boonweaver Giant, Bastion of Remembrance, Unholy Indenture, and Carrion Feeder

Prerequisites

• Boonweaver Giant on the battlefield
• Bastion of Remembrance on the battlefield
• Unholy Indenture on the battlefield
• Carrion Feeder on the battlefield
• Unholy Indenture attached to Boonweaver Giant

Steps

1. Activate Carrion Feeder by sacrificing Boonweaver Giant
2. Boonweaver Giant dies, triggering Bastion of Remembrance and Unholy Indenture
3. Resolve the Bastion of Remembrance trigger, causing each opponent to lose 1 life and you to gain 1 life
4. Resolve the Unholy Indenture trigger, returning Boonweaver Giant from your graveyard to the battlefield
5. Boonweaver Giant enters the battlefield, returning Unholy Indenture from your graveyard to the battlefield attached to Boonweaver Giant
6. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
7. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite lifegain
• Infinite lifegain triggers
• Infinite lifeloss
• Infinite LTB
• Infinite sacrifice triggers