Evolution Witness, Surge Conductor, The Great Henge, and Megatog

Prerequisites

• Evolution Witness on the battlefield
• Surge Conductor on the battlefield
• The Great Henge in hand
• Megatog on the battlefield
• available

Steps

1. Cast The Great Henge by paying
2. When The Great Henge enters, Surge Conductor triggers
3. Holding priority, activate The Great Henge by tapping it, adding and causing you to gain 2 life
4. Activate Megatog by sacrificing The Great Henge, giving Megatog +3/+3 until end of turn
5. Resolve the Surge Conductor trigger, causing you to proliferate, putting a +1/+1 counter on Evolution Witness
6. Evolution Witness triggers, returning The Great Henge from your graveyard to your hand
7. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite proliferate
• Infinite storm count
• Infinitely large creature until end of turn
• Infinite lifegain
• Infinite lifegain triggers