Urza, Prince of Kroog, Magic Pot, Ashnod's Altar, and Stridehangar Automaton

Prerequisites

• Urza, Prince of Kroog on the battlefield
• Magic Pot on the battlefield
• Ashnod's Altar on the battlefield
• Stridehangar Automaton on the battlefield
• available

Steps

1. Activate Urza by paying , creating a token copy of Magic Pot that is a 1/1 Soldier and a 1/1 Thopter artifact creature token
2. Activate Ashnod's Altar twice by sacrificing the Magic Pot token and the Thopter, adding
3. When the Magic Pot token dies, it triggers, creating a Treasure token and a 1/1 Thopter artifact creature token
4. Activate Ashnod's Altar by sacrificing the Thopter, adding
5. Repeat

Results

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