Queen Of Wurms

Trample
When Queen of Wurms enters the battlefield, create an amount of green 6/6 Wurm creature tokens with trample equal to the amount of Wurm creatures you control.
Whenever Queen of Wurms attacks, sacrifice it unless you also attack with 2 or more other Wurms creatures.
At your end step, you must sacrifice a Wurm creature. If you cannot, sacrifice Queen of Wurms
{g}{g}{g}{t}: Create a green 6/6 Wurm creature token with trample.