Metalwork Colossus + Mirrodin Besieged + Pitiless Plunderer + Krark-Clan Ironworks

Prerequisites

• You conrol noncreature artifacts with a total mana value of 10 or greater.
• "Mirran" chosen with Mirrodin Besieged.

Steps

1. 1Cast Metalwork Colossus by paying at most .
2. 2Mirrodin Besieged triggers, creating a 1/1 Myr artifact creature token.
3. 3Activate Krark-Clan Ironworks by sacrificing Metalwork Colossus, adding .
4. 4When Metalwork Colossus dies, Pitiless Plunderer triggers, creating a Treasure token.
5. 5Activate Metalwork Colossus by sacrificing the Treasure and Myr, returning it from your graveyard to your hand.
6. 6Repeat.

Effects

• Infinite colorless mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite storm count