Teysa, Orzhov Scion, Painter's Servant, and Ashnod's Altar

Prerequisites

• Teysa, Orzhov Scion on the battlefield
• Painter's Servant on the battlefield
• Ashnod's Altar on the battlefield
• "Black" chosen with Painter's Servant
• You control at least one additional creature

Steps

1. Activate Ashnod's Altar by sacrificing any other creature, adding
2. Because the creature was black due to Painter's Servant, Teysa triggers, creating a 1/1 Spirit creature token
3. Repeat

Results

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