Boonweaver Giant, Shilgengar, Sire of Famine, and Necrogen Communion

Prerequisites

• Boonweaver Giant on the battlefield
• Shilgengar, Sire of Famine on the battlefield
• Necrogen Communion on the battlefield

Steps

1. Activate Shilgengar by sacrificing Boonweaver Giant When Boonweaver Giant dies, Necrogen Communion triggers, returning Boonweaver Giant from your graveyard to the battlefield When Boonweaver Giant enters, it triggers, returning Necrogen Communion from your graveyard to the battlefield attached to Boonweaver Giant
2. Resolve the Shilgengar ability from step 1
3. Repeat

Results

• Infinite Blood tokens
• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers