Brilliance Unleashed + Lithoform Engine + Krark-Clan Ironworks + Twinning Staff + Concordant Crossroads

Prerequisites

• You have an artifact card in your graveyard.

Steps

1. 1Cast Brilliance Unleashed by paying . Choose its second mode, targeting any artifact card in your graveyard.
2. 2Holding priority, activate Lithoform Engine's second ability by paying and tapping it, targeting Brilliance Unleashed.
3. 3Holding priority, activate Krark-Clan Ironworks by sacrificing Lithoform Engine, adding .
4. 4Resolve the Lithoform Engine ability, copying Brilliance Unleashed twice due to Twinning Staff, targeting Lithoform Engine and another artifact card in your graveyard.
5. 5Resolve both copies of Brilliance Unleashed, returning Lithoform Engine and the other artifact from your graveyard to the battlefield.
6. 6Holding priority, activate Krark-Clan Ironworks by sacrificing the other artifact, adding .
7. 7Repeat from step 2.

Effects

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinite recursion of artifacts you control