Xol, Will of the Thousands

Trample, Indestructible
{4}{t}: Xol, Will of the Thousand's power and toughness are equal to the number of wurms you control
{4}{x}{t}: All other wurm creatures power and toughness are equal to Xol, Will of the thousand's power and toughness where X is the number of wurms you control
"You, Will, Drift...."