Long Feng, Grand Secretariat, Krark-Clan Ironworks, and Thopter Squadron

Prerequisites

• Long Feng, Grand Secretariat on the battlefield
• Krark-Clan Ironworks on the battlefield
• Thopter Squadron on the battlefield
• available

Steps

1. Activate Thopter Squadron by paying and removing a +1/+1 counter from it, creating a creature token
2. Activate Krark-Clan Ironworks by sacrificing the creature token, adding
3. When the creature token dies, Lord Feng triggers, putting a +1/+1 counter on Thopter Squadron
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite colorless mana