Boonweaver Giant, Viscera Seer, and Fool's Demise

Prerequisites

• Boonweaver Giant on the battlefield
• Viscera Seer on the battlefield
• Fool's Demise on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Boonweaver Giant When Boonweaver Giant dies, Fool's Demise's first and second ability triggers
2. Resolve the first trigger, returning Boonweaver Giant from your graveyard to the battlefield When Boonweaver Giant enters, it triggers, returning Fool's Demise from your graveyard to the battlefield attached to Boonweaver Giant
3. Resolve the second Fool's Demise ability, doing nothing,
4. Resolve the Viscera Seer ability from step 1
5. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Infinite scry 1