Mario's Pad

• Upon entering Mario's Pad, you will have to jump off the wall.

• Leave the house and talk to Toad from the bottom right.

• Attempt to leave, mash through Save tutorial.

• Leave and go to Bowser’s Keep

(video credit: IamTehShark)

• You will go back to Bowser's Keep, only to be thrown off the bridge. 

• Do not enter Vista Hill. 

• Go back to Mario's Pad. Run inside and talk to Toad, then try to leave Mario's Pad.

• When prompted for a tutorial, choose the 2nd option for action (this happens in the 3rd Text Box after Toad turns away from Goomba)

• Receive a mushroom

(video credit: IamTehShark)