Naru Meha, Master Wizard, and Justiciar's Portal

Prerequisites

• Naru Meha, Master Wizard in hand
• Justiciar's Portal in hand
• available

Steps

1. Cast Justiciar's Portal by paying its mana cost
2. Holding priority, cast Naru Meha by paying its mana cost
3. When Naru Meha enters, it triggers, copying Justiciar's Portal, with the copy targeting Naru Meha
4. Resolve the copy of Justiciar's Portal, blinking Naru Meha
5. Repeat from step 3

Results

• Infinite ETB
• Infinite LTB
• Infinite magecraft triggers