Ozox, the Clattering King + Phyrexian Altar + Ratadrabik of Urborg

Ozox, the Clattering King

Phyrexian Altar

Ratadrabik of Urborg

How it works

1. Activate Phyrexian Altar by sacrificing Ozox, adding 1.
2. When Ozox dies, it and Ratadrabik of Urborg trigger.
3. Resolve the Ozox trigger, creating a legendary 2/1 Jumblebones creature token.
4. Resolve the Ratadrabik of Urborg trigger, creating a nonlegendary copy of Ozox that is a 2/2 Zombie.
5. Activate Phyrexian Altar twice by sacrificing Jumblebones and the Ozox token, adding 1.
6. Ratadrabik, Jumblejones and the Ozox token trigger.
7. Resolve the Ratadrabik trigger, creating a nonlegendary token copy of Jumblejones that is a 2/2 Zombie.
8. Resolve the Jumblejones trigger, returning Ozox from your graveyard to your hand.
9. Resolve the Ozox token's trigger, creating a legendary 2/1 Jumblejones creature token.
10. Cast Ozox by paying 2.
11. Repeat.