Xerex Strobe-Knight, Thornbite Staff, and Phyrexian Altar

Prerequisites

• Xerex Strobe-Knight on the battlefield
• Thornbite Staff on the battlefield
• Phyrexian Altar on the battlefield
• Xerex Strobe-Knight does not have summoning sickness
• You have a storm count of at least two

Steps

1. Activate Xerex Strobe-Knight by tapping it, creating a 1/1 Knight creature token
2. Activate Phyrexian Altar by sacrificing the Knight, adding one mana of any color
3. When the Knight dies, Xerex Strobe-Knight triggers, untapping it
4. Repeat

Results

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