Secret Arcade // Dusty Parlor, and Ajani's Chosen

Prerequisites

• Secret Arcade // Dusty Parlor on the battlefield
• Ajani's Chosen in hand

Steps

1. Cast Ajani's Chosen by paying its mana cost
2. When Ajani's Chosen enters the battlefield as an enchantment due to Secret Arcade, it triggers, creating a creature token
3. When the Spirit enters the battlefield as an enchantment due to Secret Arcade, Ajani's Chosen's second ability triggers, creating a creature token
4. Repeat step 4

Results

• Infinite ETB
• Infinite creature tokens
• Draw the game