Lathliss, Dragon Queen, Universal Automaton, Cloudstone Curio, and Ashnod's Altar

Prerequisites

• Lathliss, Dragon Queen on the battlefield
• Universal Automaton in hand
• Cloudstone Curio on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Cast Universal Automaton by paying
2. Universal Automaton enters the battlefield, triggering Lathliss, creating a 5/5 Dragon creature token
3. The Dragon enters the battlefield, triggering Cloudstone Curio, returning Universal Automaton from the battlefield to your hand
4. Activate Ashnod's Altar by sacrificing the Dragon token, adding
5. Repeat

Results

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