Evolution Witness, Iron Apprentice, and Phyrexian Altar

Prerequisites

• Evolution Witness on the battlefield
• Iron Apprentice in hand
• Phyrexian Altar on the battlefield
• available

Steps

1. Cast Iron Apprentice by paying , causing it to enter the battlefield with a +1/+1 counter on it
2. Activate Phyrexian Altar by sacrificing Iron Apprentice, adding
3. When Iron Apprentice dies, it triggers, putting a +1/+1 counter on Evolution Witness
4. Evolution Witness triggers, returning Iron Apprentice from your graveyard to your hand
5. Repeat

Results

• Infinite +1/+1 counters on Evolution Witness
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count