Dualcaster Mage, and Ghostly Flicker

Prerequisites

• Dualcaster Mage in hand
• Ghostly Flicker in hand
• available

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers
• Infinite landfall triggers
• Infinite mana lands you control that enter the battlefield untapped can produce
• Infinite blinking of artifacts you control
• Infinite blinking of lands you control
• Infinite blinking of creatures you control