Pestered Wellguard, Intruder Alarm, and Inga and Esika

Prerequisites

• Pestered Wellguard on the battlefield
• Intruder Alarm on the battlefield
• Inga and Esika on the battlefield

Steps

1. Activate Pestered Wellguard by tapping it
2. Pestered Wellguard triggers, creating a 1/1 Faerie creature token
3. When the Faerie enters, Intruder Alarm triggers, untapping all creatures
4. Repeat

Results

• Infinite colored mana that can only be spent to cast creature spells
• Infinite creature tokens
• Infinite mana creatures you control can produce
• Infinite untap of creatures
• Infinite ETB