Morophon, the Boundless + Cloudstone Curio + Beastcaller Savant + Rograkh, Son of Rohgahh

Morophon, the Boundless

Cloudstone Curio

Beastcaller Savant

Rograkh, Son of Rohgahh

How it works

1. Activate Beastcaller Savant by tapping it, adding that can only be spent to cast a creature spell.
2. Cast Rograkh by paying 0.
3. When Rograkh enters the battlefield, Cloudstone Curio triggers, returning Beastcaller Savant to your hand from the battlefield.
4. Cast Beastcaller Savant by paying 1 due to Morophon.
5. When Beastcaller Savant enters the battlefield, Cloudstone Curio triggers, returning Rograkh to your hand from the battlefield.
6. Repeat.