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

Rograkh, Son of Rohgahh

Cloudstone Curio

Beastcaller Savant

Bosk Banneret

How it works

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 0 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.