Dualcaster Mage, and Flicker of Fate

Prerequisites

• Dualcaster Mage in hand
• Flicker of Fate in hand
• available

Steps

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

Results

• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers