Boonweaver Giant + Viscera Seer + Fool's Demise

Boonweaver Giant

Viscera Seer

Fool's Demise

How it works

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