The text is a play on the character Bullwinkle, a cartoon moose who is known for pulling a rabbit out of a hat in an ongoing gag. It also references the Borg from the Star Trek franchise with the phrase 'Prepare to be assimilated,' but humorously changes it to 'pulled out of my hat,' combining the two elements for a humorous effect. This creates a pun by blending the two different cultural references and their associated meanings.
I am Bullwinkle of Borg . Prepare to be pulled out of my hat .