Soldevi Adnate, Nim Deathmantle, and Coercive Recruiter

Prerequisites

• Soldevi Adnate on the battlefield
• Nim Deathmantle on the battlefield
• Coercive Recruiter on the battlefield
• Soldevi Adnate does not have summoning sickness
• Nim Deathmantle attached to Coercive Recruiter

Steps

1. Activate Soldevi Adnate by tapping it and sacrificing Coercive Recruiter, adding an amount of equal to Coercive Recruiter's mana value
2. When Coercive Recruiter dies, Nim Deathmantle triggers, causing you to pay to return Coercive Recruiter from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. When Coercive Recruiter enters the battlefield, it triggers, untapping Soldevi Adnate
4. Repeat

Results

• Infinite black mana
• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers