Activate Phyrexian Altar by sacrificing Ozox, adding 1.
When Ozox dies, it and Golgari Germination trigger.
Resolve the Ozox trigger, creating a legendary 2/1 Jumblebones creature token.
Resolve the Golgari Germination trigger, creating a creature token.
Activate Phyrexian Altar twice by sacrificing Jumblebones and the other creature token, adding 1.
When Jumblebones dies, it triggers, returning Ozox from your graveyard to your hand.
Cast Ozox by paying 2.
Repeat.
This clever recursive loop transforms the unique death-and-return cycle between Ozox, the Clattering King and its legendary token Jumblebones into a self-sustaining engine. By using Phyrexian Altar to sacrifice Ozox, you generate the necessary mana while triggering Golgari Germination to produce a bonus Saproling alongside the newly created Jumblebones. The sacrifices of Jumblebones and that extra token provide the remaining mana to recast Ozox from your hand, while Jumblebones's own departure clauses neatly return Ozox to your hand to start the cycle anew.