Dualcaster Mage, and Self-Reflection

Prerequisites

• Dualcaster Mage in hand
• Self-Reflection in hand
• You control at least one creature
• You have enough mana to cast Self-Reflection available

Steps

1. Cast Self-Reflection by paying its mana cost, targeting a creature you control
2. Holding priority, cast Dualcaster Mage by paying
3. When Dualcaster Mage enters the battlefield, it triggers, copying Self-Reflection, targeting Dualcaster Mage
4. Resolve the copy of Self-Reflection, creating a token copy of Dualcaster Mage
5. Repeat from step 3

Results

• Infinite ETB
• Infinite creature tokens
• Infinite magecraft triggers