Rune-Tail, Kitsune Ascendant // Rune-Tail's Essence, and Protector of the Crown

Prerequisites

• Rune-Tail, Kitsune Ascendant // Rune-Tail's Essence in hand
• Protector of the Crown on the battlefield
• You have at least 30 life
• available

Steps

1. Cast Rune-Tail, Kitsune Ascendant
2. Rune-Tail, Kitsune Ascendant flips due to having 30 or more life
3. Since creatures can not take damage and Protector of the Crown prevents you from taking damage, you are unable to take damage

Results

• Creatures you control can't be dealt damage
• You can't be dealt damage