Naru Meha, Master Wizard, Phantom Train, and Behold the Sinister Six!

Prerequisites

• Naru Meha, Master Wizard in hand
• Phantom Train on the battlefield
• Behold the Sinister Six! in hand
• available

Steps

1. Cast Behold the Sinister Six! by paying its mana cost Holding priority, cast Naru Meha by paying its mana cost
2. When Naru Meha enters, it triggers, targeting Behold the Sinister Six!
3. Holding priority, activate Phantom Train by sacrificing Naru Meha
4. Resolve the Naru Meha trigger, copying Behold the Sinister Six!, with the copy targeting Naru Meha Resolve the Behold the Sinister Six! copy, returning Naru Meha from your graveyard to the battlefield
5. Repeat from step 3

Results

• Infinite creature LTB
• Infinite creature ETB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers
• Infinite recursion of creature cards in your graveyard
• Infinite +1/+1 counters on a creature