Toph, the First Metalbender, Meloku the Clouded Mirror, and Mana Vault

Prerequisites

• Toph, the First Metalbender on the battlefield
• Meloku the Clouded Mirror on the battlefield
• Mana Vault in hand

Steps

1. Activate Mana Vault by tapping it, adding Activate Meloku by paying and returning Mana Vault from the battlefield to your hand, creating a 1/1 Illusion creature token
2. Cast Mana Vault by paying its mana cost
3. Repeat

Results

• Infinite ETB
• Infinite colorless mana
• Infinite storm count
• Infinite creature tokens
• Infinite landfall triggers