Rograkh, Son of Rohgahh, Cloudstone Curio, Beastcaller Savant, and Bosk Banneret

Prerequisites

• Rograkh, Son of Rohgahh in hand or in the command zone
• Cloudstone Curio on the battlefield
• Beastcaller Savant on the battlefield
• Bosk Banneret on the battlefield
• You have enough mana to pay for commander tax, if applicable

Steps

1. Activate Beastcaller Savant by tapping it, adding that can only be spent to cast a creature spell
2. Cast Rograkh either from your hand or from the command zone by paying plus commander tax, if applicable
3. When Rograkh enters the battlefield, Cloudstone Curio triggers, returning Beastcaller Savant to your hand from the battlefield
4. Cast Beastcaller Savant by paying due to Bosk Banneret
5. When Beastcaller Savant enters the battlefield, Cloudstone Curio triggers, returning Rograkh to your hand from the battlefield
6. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite storm count