Ghired, Mirror of the Wilds, and Corridor Monitor

Prerequisites

• Ghired, Mirror of the Wilds on the battlefield
• Corridor Monitor on the battlefield
• You have a way to create a token copy of Corridor Monitor

Steps

1. Create a token copy of Corridor Monitor
2. Activate Ghired by tapping it, creating a token copy of the Corridor Monitor copy
3. When the Corridor Monitor token enters the battlefield, it triggers, untapping Ghired
4. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens
• Infinite untap of creatures you control
• Infinite mana creatures you control can produce
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control