Footsteps of the Goryo, Naru Meha, Master Wizard, and Grimgrin, Corpse-Born

Prerequisites

• Footsteps of the Goryo in hand
• Naru Meha, Master Wizard in hand
• Grimgrin, Corpse-Born on the battlefield
• available

Steps

1. Cast Footsteps of the Goryo by paying its mana cost
2. Holding priority, cast Naru Meha by paying its mana cost
3. When Naru Meha enters, it triggers, targeting Footsteps of the Goryo
4. Holding priority, activate Grimgrin by sacrificing Naru Meha, putting a +1/+1 counter on Grimgrin and untapping it
5. Resolve the Naru Meha trigger, copying Footsteps of the Goryo Resolve the Footsteps of the Goryo copy, returning Naru Meha from your graveyard to the battlefield
6. Repeat from step 3

Results

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite magecraft triggers