Staff of Domination, Nyxbloom Ancient, Golgari Rot Farm, and Kelpie Guide

Prerequisites

• Staff of Domination on the battlefield
• Nyxbloom Ancient on the battlefield
• Golgari Rot Farm on the battlefield
• Kelpie Guide on the battlefield

Steps

1. Activate Golgari Rot Farm by tapping it, adding due to Nyxbloom Ancient Activate Kelpie Guide by tapping it, untapping Golgari Rot Farm Activate Staff of Domination's third ability by paying and tapping it, untapping Kelpie Guide
2. Activate Staff of Domination's first ability by paying , untapping it
3. Repeat

Results

• Infinite black mana
• Infinite card draw
• Infinite draw triggers
• Infinite green mana
• Infinite lifegain
• Infinite lifegain triggers
• Infinite mana permanents you control can produce
• Infinite untap of permanents you control