Activate Krasis Incubation by paying {G}{U} and returning it to your hand, putting four +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability four times by removing four +1/+1 counters from it, adding {G}{G}{U}{U}.
Cast Krasis Incubation by paying {G}{U} due to Semblance Anvil, attaching it to Crystalline Crawler.
Repeat.

Infinite storm count

Krasis Incubation

Crystalline Crawler

Zirda, the Dawnwaker

Semblance Anvil

Vorinclex, Monstrous Raider

Doubling Season

Branching Evolution

Activate Krasis Incubation by paying {G}{U} and returning it to your hand, putting four +1/+1 counters on Crystalline Crawler.
Activate Crystalline Crawler's first ability four times by removing four +1/+1 counters from it, adding {G}{G}{U}{U}.
Cast Krasis Incubation by paying {G}{U} due to Mana Matrix, attaching it to Crystalline Crawler.
Repeat.

Combos with "Krasis Incubation"