Anafenza, Kin-Tree Spirit, Murderous Redcap, and Phyrexian Altar

Prerequisites

• Anafenza, Kin-Tree Spirit on the battlefield
• Murderous Redcap on the battlefield
• Phyrexian Altar on the battlefield
• Murderous Redcap does not have any -1/-1 counters on it on it

Steps

1. Activate Phyrexian Altar by sacrificing Murderous Redcap, adding one mana of any color
2. Murderous Redcap's persist ability triggers, returning itself to the battlefield
3. Anafenza and Murderous Redcap trigger
4. Resolve the Anafenza trigger, putting a +1/+1 counter on Murderous Redcap
5. Resolve the Murderous Redcap trigger, dealing damage equal to its power to any target
6. Repeat

Results

• Infinite colored mana
• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers