Activate Phyrexian Altar by sacrificing Reef Worm, adding .
When Reef Worm dies, it and Enduring Renewal triggers.
Resolve the Reef Worm trigger, creating a 3/3 Fish creature token.
Resolve the Enduring Renewal trigger, returning Reef Worm from your graveyard to your hand.
Activate Phyrexian Altar by sacrificing the Fish, adding 1.
When the Fish dies, it triggers, creating a 6/6 Whale creature token.
Activate Phyrexian Altar by sacrificing the Whale, adding 1.
When the Whale dies, it triggers, creating a 9/9 Kraken creature token.
Activate Phyrexian Altar by sacrificing the Kraken, adding 1.
Cast Reef Worm by paying 3.
Repeat.
This fascinating loop uses Enduring Renewal's clever graveyard-bouncing ability to turn a single casting of Reef Worm into a never-ending cycle of escalating token generation. Each time you sacrifice the worm to Phyrexian Altar for mana, Enduring Renewal scoops it right back to your hand so you can recast it, while the dying worm and its resulting Fish, Whale, and Kraken tokens cascade through their respective death triggers to fuel your mana pool and rack up an infinite storm count.