Emmara, Soul of the Accord, Intruder Alarm, Grand Architect, and Cerulean Wisps

Prerequisites

• Emmara, Soul of the Accord on the battlefield
• Intruder Alarm on the battlefield
• Grand Architect on the battlefield
• Cerulean Wisps in hand
• available

Steps

1. Cast Cerulean Wisps by paying , causing Emmara to become blue until end of turn and causing you to draw a card
2. Activate Grand Architect's second ability by tapping Emmara, adding that can only be spent to cast artifact spells and/or to activate abilities of artifacts
3. Emmara triggers, creating a 1/1 Soldier creature token
4. When the Soldier enters the battlefield, Intruder Alarm triggers, untapping all creatures
5. Repeat from step 2

Results

• Infinite colorless mana that can only be spent to activate abilities of artifacts
• Infinite colorless mana that can only be spent to cast artifact spells
• Infinite creature tokens
• Infinite ETB
• Infinite mana creatures you control can produce
• Infinite untap of all creatures