Boonweaver Giant + Umbral Collar Zealot + Unhallowed Pact

WB identity

Commander legal

The 3 combo pieces

• Boonweaver Giant
• Umbral Collar Zealot
• Unhallowed Pact

How to execute it

1. Activate Umbral Collar Zealot by sacrificing Boonweaver Giant
2. When Boonweaver Giant dies, Unhallowed Pact triggers, returning Boonweaver Giant from your graveyard to the battlefield
3. When Boonweaver Giant enters, it triggers, returning Unhallowed Pact from your graveyard to the battlefield attached to Boonweaver Giant.
4. Resolve the Umbral Collar Zealot ability from step 1.
5. Repeat.

What the combo produces

• Infinite creature LTB
• Infinite death triggers
• Infinite ETB
• Infinite sacrifice triggers
• Infinite surveil