Arcbound Reclaimer + Iron Spider, Stark Upgrade + Grim Monolith + Krark-Clan Ironworks + Surge Conductor

Prerequisites

• There must be at least one +1/+1 counter each on Arcbound Reclaimer and at least two additional artifacts.

Steps

1. 1Cast Grim Monolith by paying its mana cost.
2. 2When Grim Monolith enters, Surge Conductor triggers, putting one +1/+1 counter on Arcbound Reclaimer and at least two additional artfacts you control.
3. 3Activate Grim Monolith by tapping it, adding mana.
4. 4Activate Krark-Clan Ironworks by sacrificing Grim Monolith, adding .
5. 5Activate Arcbound Reclaimer by removing a +1/+1 counter from it, putting Grim Monolith from your graveyard on top of your library.
6. 6Activate Iron Spider's last ability by paying and removing two +1/+1 counters from artifacts you control, drawing Grim Monolith.
7. 7Repeat.

Effects

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite colorless mana
• Infinite draw triggers
• Infinite proliferate
• Infinite storm count