Loyal Retainers, Marvin, Murderous Mimic, and Chameleon, Master of Disguise

Prerequisites

• Loyal Retainers on the battlefield
• Marvin, Murderous Mimic on the battlefield
• Chameleon, Master of Disguise in the graveyard

Steps

1. Activate Marvin by sacrificing it, returning Chameleon from your graveyard to the battlefield as a copy of Loyal Retainers
2. Activate Chameleon by sacrificing it, returning Marvin from your graveyard to the battlefield, which will have Loyal Retainers' activated abilities
3. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers