Skywurm Propagation

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Create a 4/4 white Wurm creature token for each untapped creature you control.
"As the sun began to rise, the lesser followers bowed their heads in submission. Then, as the archpriests rose to their feet, the skies opened to reward their devotion."