Evolution Witness, Surge Conductor, Megatog, and Sol Ring

Prerequisites

• Evolution Witness on the battlefield
• Surge Conductor on the battlefield
• Megatog on the battlefield
• Sol Ring in hand
• available

Steps

1. Cast Sol Ring by paying its mana cost
2. When Sol Ring enters, Surge Conductor triggers
3. Holding priority, activate Sol Ring by tapping it, adding
4. Activate Megatog by sacrificing Sol Ring, 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 Sol Ring from your graveyard to your hand
7. Repeat

Results

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