Composite Golem, Enduring Renewal, and Cloud Key

Prerequisites

• Composite Golem on the battlefield
• Enduring Renewal on the battlefield
• Cloud Key on the battlefield
• "Artifact" or "Creature" chosen with Cloud Key

Steps

1. Activate Composite Golem by sacrificing it, adding
2. When Composite Golem dies, Enduring Renewal triggers, returning Composite Golem to your hand from your graveyard
3. Cast Composite Golem by paying
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count