Enchanted Evening, and Siona, Captain of the Pyleas

Prerequisites

• Enchanted Evening on the battlefield
• Siona, Captain of the Pyleas in hand

Steps

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

Results

• Draw the game
• Infinite ETB
• Infinite creature tokens