Cavalier of Dawn, Infinite Reflection, and Walking Ballista

Prerequisites

• Cavalier of Dawn on the battlefield
• Infinite Reflection on the battlefield
• Walking Ballista in hand
• Infinite Reflection attached to Cavalier of Dawn

Steps

1. Cast Walking Ballista by paying
2. Walking Ballista enters the battlefield as a copy of Cavalier of Dawn
3. Copy of Cavalier of Dawn enter-the-battlefield ability triggers, destroying itself and creating you a 3/3 Golem token
4. Copy of Cavalier of Dawn dies, triggering itself, returning Walking Ballista from your graveyard to your hand
5. Repeat

Results

• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite storm count