to learn

hey i got thinking what if someone wants to learn yugioh well now you can with this link oh and here's today's combo we are learning about XYZ monsters such as number 39: Utopia with the card harmonic waves a monster can be level 4 like maybe key man the key warrior this monster with harmonic waves can be level 2, 3, or4 that means he can be used to sommon gachi gachi gantetsu grenosaurs or number 39: Utopia there's your combo and have a wonderful day.