Teysa, Orzhov Scion, Painter's Servant, and Carrion Feeder

Prerequisites

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

Steps

1. Activate Carrion Feeder by sacrificing any other creature
2. Because the creature was black due to Painter's Servant, Teysa triggers, creating a 1/1 Spirit creature token
3. Resolve the Carrion Feeder ability, putting a +1/+1 counter on it
4. Repeat

Results

• Infinite +1/+1 counters on Carrion Feeder
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers