Arahbo, the First Fang + Whitemane Lion + Phyrexian Altar + Selvala, Eager Trailblazer

Arahbo, the First Fang

Whitemane Lion

Phyrexian Altar

Selvala, Eager Trailblazer

How it works

1. Cast Whitemane Lion by paying 1.
2. When Whitemane Lion enters the battlefield, it, Selvala and Arahbo trigger.
3. Resolve the Whitemane Lion trigger, returning it from the battlefield to your hand.
4. Resolve the Arahbo trigger, creating a 1/1 Cat creature token.
5. Resolve the Selvala trigger, creating a 1/1 Mercenary creature token.
6. Activate Phyrexian Altar twice by sacrificing the Cat and Mercenary, adding 1.
7. Repeat.