Arahbo, the First Fang + Whitemane Lion + Phyrexian Altar + Blessed Sanctuary

Arahbo, the First Fang

Whitemane Lion

Phyrexian Altar

Blessed Sanctuary

How it works

1. Cast Whitemane Lion by paying 1.
2. When Whitemane Lion enters the battlefield, it, Blessed Sanctuary 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 Blessed Sanctuary trigger, creating a 2/2 Unicorn creature token.
6. Activate Phyrexian Altar twice by sacrificing the Cat and Unicorn, adding 1.
7. Repeat.