Dualcaster Mage, and Displace

Prerequisites

• Dualcaster Mage in hand
• Displace in hand
• available

Steps

1. Cast Displace by paying its mana cost
2. Holding priority, cast Dualcaster Mage by paying its mana cost
3. When Dualcaster Mage enters, it triggers, copying Displace, with the copy targeting Dualcaster Mage
4. Resolve the copy of Displace, blinking Dualcaster Mage
5. Repeat from step 3

Results

• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite blinking of creatures you control