Dualcaster Mage, and Mirage Mockery

Prerequisites

• Dualcaster Mage in hand
• Mirage Mockery in hand
• available

Steps

1. Cast Mirage Mockery by paying , targeting any nonartifact creature you control
2. Holding priority, cast Dualcaster Mage by paying
3. When Dualcaster Mage enters the battlefield, it triggers, copying Mirage Mockery, with the copy targeting Dualcaster Mage
4. Resolve the Mirage Mockery copy, creating a token copy of Dualcaster Mage
5. Repeat from step 3
6. Optionally, you may initially cast Mirage Mockery with its entwine cost to get infinite copies of any artifact creature(s) you control with haste

Results

• Infinite ETB
• Infinite magecraft triggers
• Infinite creature tokens