Arahbo, the First Fang, Concordant Crossroads, Whitemane Lion, and Enduring Vitality

Prerequisites

• Arahbo, the First Fang on the battlefield
• Concordant Crossroads on the battlefield
• Whitemane Lion in hand
• Enduring Vitality on the battlefield
• available

Steps

1. Cast Whitemane Lion by paying its mana cost
2. When Whitemane Lion enters, it and Arahbo trigger
3. Resolve the Arahbo trigger, creating a 1/1 Cat creature token
4. Holding priority, activate Whitemane Lion and the Cat token by tapping them, adding
5. Resolve the Whitemane Lion ability, returning it from the battlefield to your hand
6. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite storm count
• Infinite tapped creature tokens