Evolution Witness, Surge Conductor, Grinding Station, and Basalt Monolith

Prerequisites

• Evolution Witness on the battlefield
• Surge Conductor on the battlefield
• Grinding Station on the battlefield
• Basalt Monolith in hand
• available

Steps

1. Cast Basalt Monolith by paying its mana cost
2. When Basalt Monolith enters, Grinding Station and Surge Conductor trigger
3. Resolve the Grinding Station trigger, untapping it
4. Holding priority, activate Basalt Monolith by tapping it, adding
5. Activate Grinding Station by tapping it and sacrificing Basalt Monolith, causing a player to mill three cards
6. Resolve the Surge Conductor trigger, causing you to proliferate, putting a +1/+1 counter on Evolution Witness
7. Evolution Witness triggers, returning Basalt Monolith from your graveyard to your hand
8. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite mill
• Infinite proliferate
• Infinite self-mill
• Infinite storm count