Urza, Prince of Kroog, Triplicate Titan, and Krark-Clan Ironworks

Prerequisites

• Urza, Prince of Kroog on the battlefield
• Triplicate Titan on the battlefield
• Krark-Clan Ironworks on the battlefield
• available

Steps

1. Activate Urza by paying , creating a token copy of Triplicate Titan that is a 1/1 Soldier in addition to its other types
2. Activate Krark-Clan Ironworks by sacrificing Triplicate Titan, adding
3. When Triplicate Titan dies, it triggers, creating three 3/3 Golem artifact creature tokens
4. Activate Krark-Clan Ironworks twice by sacrificing two Golems, adding
5. Repeat
6. Once you have infinite mana, you may use Urza to make infinite copies of any artifacts you control

Results

• Infinite colorless mana
• Infinite copies of artifacts you control
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers