Evolution Witness, Sunshower Druid, and Phyrexian Altar

Prerequisites

• Evolution Witness on the battlefield
• Sunshower Druid in hand
• Phyrexian Altar on the battlefield
• available

Steps

1. Cast Sunshower Druid by paying
2. When Sunshower Druid enters the battlefield, it triggers
3. Holding priority, activate Phyrexian Altar by sacrificing Sunshower Druid, adding
4. Resolve the Sunshower Druid trigger, putting a +1/+1 counter on Evolution Witness and causing you to gain 1 life
5. Evolution Witness triggers, returning Sunshower Druid from your graveyard to your hand
6. Repeat

Results

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