Upon motion made by a party before responding to a pleading or, if no responsive pleading is permitted by these rules, upon motion made by a party within 20 days after the service of the pleading upon the party, or upon its own initiative at any time, the court may order any pleading not in compliance with Rule 11 stricken as sham and false, or may order stricken from any pleading any insufficient defense or any redundant, immaterial, impertinent or scandalous matter.
Minn. R. Civ. P. 12.06